tabl– {flat board}: entablature, retable, tablature, table (all senses), tableau, table d’hôte, tablespoon, tablet, tabloid, tabula rasa, tabular, tabulate || 
L tabula : board, plank, writing tablet, gaming board, painted panel
tac– {silent}: tacet, tacit, taciturn ●reticent || L tacēre (pp. tacitum) : to be silent, to say nothing, to pass over in silence 
taciturnus : silent, taciturn
tach–1 {to connect, to join, to fasten}: attach, attaché, detach ●staccato || OFr estachier : to attach estache : a stake Gmc root
tach–2 {rapidity, speed}: tachina fly, tachistocope, tachometer, tachycardia, tachymeter, tachypnea ●compare brady– || Gr tachys : swift tachos : speed
tachy– see tach–2
tact–1 {to touch}: contact, intact, tact, tactful, tactile, tactual ●same as tain–2, tang– ●see also tax–1 || L tactum, pp. of tangere : to touch tactilis : that can be touched
tact–2 {to set in order, order, arrangement, division}: syntactical, tactical, tactician, tactics ●same as tax–2 || Gr taktika : matters of arrangement taktikos : fit for arrangement tassein : to arrange, to put in order
tail– {to cut, to split}: curtail, detail, entail, fee tail, retail, tail (limitation), tailor || VL taliare : to split, to cut, to prune L tālea : a cutting
tain–1 {to hold}: abstain, appertain, contain, detain, entertain, maintain, obtain, pertain, retain, sustain ●same as ten–1, tin–1 || ME –teinen (comb. form) OFr –tenir L –tinēre (comb. form) (pp. –tentum) tenēre (pp. tentum) : to hold
tain–2 {to touch}: attain, attainder ●same as tact–1, tang– || ME attainen OFr ataindre L attingere tangere : to touch
tain–3 {to dip, to dye}: distain, stain, taint ●same as tinct– || OFr L tingere (pp. tinctum) : to wet, to moisten, to dye
take– {to take}: double take, intake, mistake, outtake, overtake, partake, retake, take, takedown, takeoff, takeout, takeover, takeup, undertake, undertaker, uptake || ME taken : to take OE tacan ON taka Gmc root
tal– {ankle, heel, spur, talon}: talon, talus (anklebone) || L tālus : ankle, ankle bone
tali– {retaliation in kind}: lex talionis, retaliate, talion || L tālio (gen. tāliōnis) : retaliation in kind tālis : of such a kind, such
tamp– {plug, stopper}: tamp (to pack down), tampion, tampon || Fr tampon tapon : a plug or stopper; akin to tap : a device for controlling the flow of liquid from a barrel: a tap
tang– {to touch}: cotangent, tangent, tangential, tangible ●contagious, contaminate ●same as tact–1, tain–2 ●see also integr– || L tangere (pp. tactum) : to touch
tant– {so much, of such a size or amount}: tantamount, tanto ●Fr. tant pis, tant mieux || L tantus : of such a size, so much tam : so far, to such a degree
tantal– {Tantalus}: tantalic, tantalize, tantalum || Gr Tantalus : a character from Greek mythology who was condemned to forever stand in water that always receded when he reached for a drink, and beneath a fruit tree whose branches always raised up when he reached for the fruit
taph– {tomb}: cenotaph, epitaph, taphonomy || Gr taphos : tomb
tarant– {Taranto, Italy}: tarantella, tarantism, tarantula || Taranto, Italy; Latin name: Tarentum; Greek name: Taras. Said to be named after Taras, son of Poseidon.
tard– {slow}: bustard, retard, tardigrade, tardive, tardy, tardyon || L tardus : slow, tardy
tass– {cup}: demitasse, tass, tasseography || LME tasse OFr Ar tassa : shallow metal cup Pers tast : cup
taur– {bull}: Minotaur, taurine, taurocholic, tauromachy, Taurus ●Span. toro || L taurus : bull & Gr tauros : bull
tauto– {the same, identical}: tautology, tautomer, tautonym ●see also auto– || Gr tauto to auto : the same autos : self
tax–1 {to appraise, to tax, to censure}: tax (all senses), taxation, taxicab, taxi dancer ●task ●see also tact–1 || L taxare (freq. of tangere) : to touch, to reproach (to take a person to task), to appraise, to rate taxātio (gen. taxātiōnis) : an appraising, a valuing
tax–2 {to set in order, arrangement, order, division}: parataxis, stereotaxis, syntax, taxeme, taxidermy, taxis, taxonomy, thigmotaxis ●same as tact–2 || Gr taxis : arrangement, order tassein : to arange, to put in order
techn– {art, craft, skill}: polytechnic, pyrotechnics, technetium, technical, technicality, technician, Technicolor™, technique, technocracy, technology ●see also tect–1 || Gr technē : art, artifice
tect–1 {art, craft, skill}: architect, tectonic ●see also techn– || Gr tektōn : carpenter, builder
tect–2 {to cover}: detect, detective, obtect, protect, tectrix, tectrum ●same as teg– || L tectum, pp. of tegere : to cover, to conceal tectus : covered, concealed; tectum : roof, ceiling, shelter; dētectum (pp. of dētegere) : to uncover, to disclose
tect–3 {to melt}: eutectic, hypoeutectic || Gr tēktos : melted tekein : to melt
teg– {to cover}: integument, protégé ●same as tect–2 || L tegere (pp. tectum), to cover, to conceal
tele– {distant}: telegram, telegraph, telekinesis, telemetry, telepathy, telephone, telephoto, telescope, telethon, Teletype™, television, telex ●telpher || Gr tēle : far off, distant
tellur– {earth}: tellurian, telluric, telluride, tellurion, tellurium, tellurous ●compare terr–1 || L telluris, gen of tellus : the earth. In proper classical Latin, tellus refers to the sphere of the earth, the globe itself. By contrast, terra refers to the element earth (one of the four basic elements of earth, air, water, and fire); hence: dry land, land, soil.
tel(o)– {end, fulfillment, completion}: atelectasis, autotelic, telangiectasis, telencephalon, teleology, telesis, telestich, telial, telic, teliospore, telium, telomere, telophase, telson || Gr telos : end, goal, ultimate purpose
temer– {blindly, rashly}: temerarious, temerity || L temeritās : rashness, heedlessness temere : blindly, by chance, accidentally, without cause or purpose
templ– {a section or space cut out [or reserved for observation]}: contemplate, templar, template, temple (place of religion) ●unrelated: temple (side of the head) || L templum : a space in the sky or on the earth marked out by the augur for the purpose of taking auspices; a consecrated piece of ground; a sanctuary or asylum; a place dedicated to a particular deity; a shrine or temple
temp(or)– {time, a span of time; also has senses indicating moderation, measurement, and weather}: contemporary, contretemps, distemper, extemporaneous, pro tempore, temper, tempera, temperament, temperance, temperate, temperature, tempest, temple (side of the head), tempo, temporal, temporary, temporize, tempus fugit ●tamper ●Fr. printemps, temps ●unrelated: temple (place of religion) || L tempus (gen temporis) : a division, a section: of the temples of the head; a portion of time, a period of time temperare : to set bounds, to keep within limits temperantia : temperance, moderation; tempestās : a space or period of time
tempt– {to test, to try}: attempt, tempt, temptation ●unrelated: contempt ●same as tent–2 || L temptare : to prove, to try, to test temptātio (gen. temptātiōnis) : a trial, a test
ten–1 {to hold}: abstention, appurtenance, content (all senses), contents, countenance, detention, lieutenant, maintenance, retention, sustenance, tenable, tenacious, tenaculum, tenant, tenement, tenet, tennis, tenon, tenor, tenure, tenuto ●same as tain–1, tin–1 || L tenēre (pp. tentum) : to hold, to keep on, to persevere tenācis (gen. of tenax) : holding fast, clinging, tenacious
ten–2 {tendon}: neoteny, tendinitis, tendon, tendinous, tenorrhaphy, tenosynovitis, tenotomy || Gr tenōn : sinew, tendon teinein : to stretch
tend– {to reach, to stretch, to extend}: attend, contend, distend, double–entendre, extend, intend, legal tender, portend, pretend, subtend, superintendent, tend (all senses), tendency, tendentious, tender (one who tends), tender (to offer) ●same as tens–, tent–1 ●see also ton–1 || L tendere (pp. tentum or tensum) : to stretch, to extend, to spread; to direct one’s course to, to tend, to make for
tendr– {soft, delicate, tender}: tender (delicate), tenderfoot, tenderize, tenderloin, tendril ●intenerate || OFr L tener : tender, delicate, soft
tenebr– {darkness, shadow}: Tenebrae, tenebrific, tenebrous || L tenebrae : darkness, a dark place, shadows
tens– {to reach, to stretch, to extend}: extension, extensive, extensor, hypertension, intense, ostensible, pretense, tense, tensile, tension, tensor ●same as tend–, tent–1 || L tendere (pp. tentum or tensum) : to stretch, to extend, to spread; to direct one’s course to, to tend, to make for
tent–1 {to reach, to stretch, to extend}: attention, attentive, contention, contentious, detent, détente, entente, extent, intent, intention, intentional, ostentatious, portent, pretentious, tent (portable shelter), tenterhook ●same as tend–, tens– || L tendere (pp. tentum or tensum) : to stretch, to extend, to spread; to direct one’s course to, to tend, to make for
tent–2 {to touch, to probe, to test, to try}: tent (gauze packing), tentacle, tentative ●same as tempt– || L tentare, altered temptare : to prove, to try, to test
tenu– {thin, fine}: attenuate, extenuate, tenuous || L tenuis : thin, fine, slender tenuare : to make thin or fine, to attenuate
ter– {three, third}: Terce, tercel, tercentenary, tercet, ternary, ternate, ternion, tertial, tertian, tertiary, tertium quid, tervalent, terza rima ●tierce ●more at test–1 ●see also tri–1 || L tertius : third & ter : three times tres : three
tera– {monster; hence: one trillion (10¹²)}: terabyte, teraflops, terahertz ●same as terato– || Gr teras (gen. teratos) : a wonder, a monster
terat(o)– {monster, monstrosity}: teratism, teratogen, teratoid, teratology, teratoma ●same as tera– || Gr teratos, gen. of teras : a wonder, a monster
terg–1 {to wipe, to cleanse}: absterge, deterge, detergent ●terse || L tergēre (pp. tersum) : to wipe, to scour, to clean tersus : wiped, clean, free from extraneous material
terg–2 {the back}: tergiversate, tergum || L tergum : the back: of the body, of anything
termin– {boundary, limit, end}: conterminous, coterminous, determine, exterminate, indeterminate, terminal, terminate, terminology, terminus ●term || L terminus : boundary mark, limit, boundary, end
terp– {to be delighted}: Euterpe, Terpsichore || Gr terpein : to delight, to charm
terr–1 {earth, ground, land}: Mediterranean, parterre, pied-à-terre, subterranean, terra cotta, terra firma, terrace, terrain, terra incognita, terrane, terrarium, terrazzo, Terre Haute, terrestrial, terrier, territory ●inter (to bury), Tierra del Fuego ●see also torr– ●compare tellur– || L terra : that which is dry, hence: the earth; earth, land, soil. In proper classical Latin, terra refers to the element earth (one of the four basic elements of earth, air, water, and fire); hence: dry land, land, soil. By contrast, tellus refers to the sphere of the earth, the globe itself.
terr–2 {to frighten}: deterrent, terrible, terrific, terrify, terror ●deter || L terrēre (pp. territum) : to frighten, to terrify terror : fright, fear, terror; terribilis : terrible, frightful
tess– {square, cube}: diatessaron, tessellate, tessera, tesseract ●see also tetra– || L tessera (dim. tessella) : cube Ionic Gr tesseres, tessares : four IE *kwetwer– : four
test–1 {witness}: attest, contest, detest, intestate, obtest, protest, Protestant, testament, testate, testator, testatrix, testicle, testify, testimonial, testimony, testis, testosterone || L testis : a witness poss. tri-stare– tri : three, third + stare : stand : standing as a third
test–2 {shell, clay, earthen vessel, skull, head}: test, testa, Testacea, testaceous, Testarossa, tester (canopy), teston ●more at testud– ●Fr. tête || L testa : a piece of burnt clay, an earthen vessel, a shell
testud– {tortoise, tortoise shell, protective covering}: testudinal, testudinate, testudo ●see also test–2 || L testūdo : tortoise, shell of the tortoise, a thing resembling a tortoise testa : a piece of burnt clay, an earthen vessel, a shell
tetr(a)– {four}: tetra, tetrachloride, tetracycline, tetrad, tetraethyl, Tetragrammaton, tetrahedron, tetrarch, Tetraodontidae, tetrode ●see also tess– || Gr tetra– : four tettares, tessares : four IE *kwetwer– : four
teuch– {book [of the Bible]}: Heptateuch, Pentateuch || Gr teuchos : an implement, a book
text– {to weave}: context, pretext, text, textbook, textile, texture ●tissue || L textus : web, hence: fabric, structure, text texere (pp. textum) : to weave textilis : woven, textile; textūra : web, texture
th– {demonstratives}: than, that, the, their, them, then, thence, there, these, they, this, thither, those, thus ●compare h–, wh– || IE *to– : demonstrative pronouns
thalam– {chamber}: epithalamium, prothalamion, thalamencephalon, thalamus || New Latin thalamus Gr thalamos : inner chamber †
thalass– {sea}: Panthalassa, thalassemia, thalassic, thalassocracy || Gr thalassa : sea
thall– {young green shoot}: prothallus, thallic, thallium, thallophyte, thallous, thallus || Gr thallos : young green shoot thallein : to flourish, to bloom; this stem also bears the sense of green
thanas– ●see thanat–
thanat–, thanas– {death}: euthanasia, Thanatopsis, Thanatos || Gr thanatos : death thanasia : dying
thaumat– {miracle, magic}: thaumatology, thaumatrope, thaumaturgy || Gr thaumatos, gen. of thauma : miracle base of theasthai : to see, to view ( theater) IE *dhāu : to see
the– {to look at, to view, to contemplate}: theater, theatrical, theorem, theoretical, theorize, theory || •theater L theātrum : theater Gr theatron : theater theasthai : to see, to view thea : a view •theorem Gr theōrēma theōrein : to look at, to view theoros : spectator thea : a view IE *dhāu : to see
thec– {to put, a place for putting, receptacle, container}: amphithecium, apothecary, apothecium, bibliotheca, endothecium, hypothecate, ootheca, perithecium, theca, thecate, thecodont ●boutique, discothèque ●same as thesis– || Gr thēkē : a case, a receptacle dim. thēkion : small receptacle (–thecium)
theli– {lining tissue}: endothelium, epithelioma, epithelium, mesothelioma, mesothelium || Gr thēlē : nipple. Used in ModL to designate various types of cellular tissue lining the outside of the body or internal organs.
them– {to put, to place}: anathema, apothem, thematic, theme || Gr thema : that which is placed tithenai : to put down, to place
the(o)– {god}: apotheosis, atheist, Dorothea, monotheistic, pantheism, pantheon, polytheism, theanthropism, theocracy, theodicy, Theodore, theology, theophany (Tiffany), theosophy, theurgy ●same as thy– || Gr theos : god
ther– {wild beast}: baluchithere, chalicothere, dinothere, eutherian, indricothere, megathere, therianthropic, theriomorphic, theropod, Theropoda || Gr thēr : wild beast
therap– {servant, attendant, nurse, to nurse, to give medical treatment}: hydrotherapy, psychotherapy, therapeutic, therapist, therapy || Gr therapuein : to nurse, to treat medically therapeutēs : attendant, servant, one who treats medically
therm– {heat}: bathythermograph, diathermy, geothermal, therm, thermal, thermionic, thermocline, thermodynamics, thermometer, thermonuclear, Thermos™, thermostat || Gr thermē : heat ( L thermae : hot springs ) IE *gwher– : warm
thesis–, thetic– {to put}: antithesis, epenthesis, hypothesis, hypothetical, metathesis, parenthesis, prosthesis, prosthetic, synthesis, synthetic, thesis ●epithet ●same as thec– || Gr thesis : a placing, a position & thetos : placed tithenai : to place, to put
thetic– ●see thesis–
thigmo– {touch}: thigmotaxis, thigmotropism || Gr thigma : touch thinganein : to touch with the hand
thi(o)– {sulfur}: dithionic, methionine, thiamine, thiazine, thimerosal, thioaldehyde, thioarsenate, thiobacteria, thiol, thionate, thiopental sodium, thiophene, thiosinamine, thiosulfate || Gr theion : brimstone, sulfur
thor– {Thor, Norse god of thunder and war}: thorite, thorium, thoron ●Thursday || ON Thorr (Þórr) : Thor, god of thunder and war, son of Odin (Wotan or Woden) and the giantess Jörd (Jord, the Earth)
thorac– {thorax}: thoracic, thoracolumbar, thoracotomy ●thorax || Gr thōrac–, comb. form of thōrax : chest, breastplate
thrall– {slave, to bind}: enthrall, thrall, thralldom || ME thral OE thræl ON thræll Gmc root
thromb– {blood clot}: prothrombin, thrombin, thrombocyte, thromboembolism, thrombogen, thrombophlebitis, thromboplastin, thrombosis, thrombus || Gr thrombos : blood clot
thy– {god}: Dorothy, Timothy ●same as theo– || L –theus (masc.) & –thea (fem.) Gr theos : god
thym– {breath, spirit, mind}: cyclothymia, enthymeme, schizothymia ●unrelated: thyme, thymus || Gr thymos : spirit, mind
thyr– {door}: thyratron, thyristor, thyroid, thyroxine || Gr thyra : door
tid– {time, season}: betide, eventide, tidal, tide (all senses), tidewater, tidings, tidy, yuletide || ME tide : tide, time, season OE tid : time
tim–1 {fear}: intimidate, timid, timorous || L timor : fear, dread timēre : to be afraid, to fear
tim–2 {honor}: timocracy, Timothy || Gr timē : honor, worth
tin–1 {to hold}: abstinence, continence, continent (all senses), continental, continue, continuity, continuum, impertinent, incontinent, pertinaceous, pertinent, retinaculum, retinue ●same as tain–1, ten–1 || L –tinēre (comb. form) (pp. –tentum) tenēre (pp. tentum) : to hold
tin–2 {to ring}: tinnitus, tintinnabulation, tintinnabulum || L tinnire : to ring, to tinkle tinnītus : a ringing, tinkling, jingling
tinct– {to dip, to dye}: intinction, tincture ●tinge ●same as tain–3 || L tinctus, pp. of tingere : wet, to moisten, to dye
tir– {to draw out, to arrange in ranks, to put in order}: attire, retire, tirade, tire (wheel) ●tier ●unrelated: tire (to become weary) || ME tire : row, rank
titan– {the Titans, hence: gigantic, powerful; and titanium, which was named for the Titans}: Titan, titanic, titanism, titanium, Titanomachy, titanosaur || Gr Titan (pl. Titanes) : in Greek mythology, the Titans, a race of powerful giants
titl– {label, title}: entitle, title, titular || L titulus : inscription, label, title, sign
toil– {cloth}: toil (cloth), toilet, toilette ●unrelated: toil (work) || OFr toile : web, net, cloth L tēla : woven cloth, spider web
tol(u)– {toluene}: amatol, toluene, toluide, toluol, trinitrotoluene || Sp. tolú : the fragrant resin of a balsam tree found in Tolú, Colombia, from which toluene was originally obtained
tom– {to cut}: anatomy, atom, diatom, entomology, epitome, microtome, tome, tomography ●tonsorial, tonsure ●more at ectomy–, entom–, tomy– || Gr tomē : a cutting temnein : to cut
tomy– {a surgical cutting apart or into}: cystotomy, dichotomy, keratotomy, laparotomy, lobotomy, phlebotomy, tracheotomy ●part of tom– || Gr tomē : a cutting temnein : to cut
ton–1 {tension}: baritone, catatonia, isotonic, melatonin, monotone, monotonous, myotonia, oxytone, peritoneum, serotonin, tone (all senses), tonic, tonoplast ●tune ●see also tend– || Gr tonos : a stretching, tension teinein : to stretch; akin to L tendere : to stretch, to extend
ton–2 {to thunder}: astonish, detonate, intone ●tornado || L tonare (pp. tonitum) : to thunder
top– {a place}: ectopia, isotope, topiary, topic, topical, topography, topology, utopia || Gr topos : a place
tor– {bulge, protuberance, round swelling, hence doughnut-shaped}: toroid, torose, torus || L torus : any round swelling: protuberance, knot, fleshy part of the body, muscle
torium– {a place for}: auditorium, crematorium, natatorium, scriptorium, sudatorium ●same as arium–, tory– || L –ōrium : a place of, a place for
torp– {stiff, numb}: torpedo (all senses), torpid, torpor || L torpēre : to be sluggish, inert, numb torpor : numbness, sluggishness; torpēdo : torpor, lethargy. A torpedo (order Torpediniformes) is an electric ray whose sting induces numbness. One can speculate that a torpedo (weapon) is so named for its “sting.”
torr– {dry, to parch, to consume}: torrefy, torrent, torrential, torrid ●toast ●see also terr–1 || L torrēre (pp. tostum) : to burn, to parch, to dry up with heat or thirst torridus : burnt, parched, dry; torrens (gen. torrentis) : burning, hot, parched, hence: roaring, rushing, impetuous
tor(t)– {to twist}: contort, distort, extort, retort, retorsion, retortion, torch, torchon, torment, torque, torsade, torsion, tort, torte, tort-feasor, torticollis, tortilla, torticollis, tortile, tortuous, torture, torturous ●nasturtium ●unrelated: tornado || L torquēre (prp. torsi, pp. tortum) : to twist, to wind, to wrench freq. tortare : to torture, to torment; tortuōsus : full of turns and twists, tortuous; tormentum : an instrument for twisting or winding; the rack or any instrument of torture; a catapult
tory– {a place for}: crematory, dormitory, laboratory, lavatory, purgatory, vomitory ●same as arium–, torium– || ME : shortened form of L –torium : a place of, a place for
tot– {all, the whole, complete}: factotum, in toto, teetotaler, total, totalitarian, totipalmate, totipotent, tot up ●Fr. tout ●It. tutti ●compare semi– || L tōtus : the whole, complete, entire
tour– {a circle, a turning}: contour, detour, entourage, tour, tour de force, tourist ●same as tourn–, turn– || ME OFr tourn, torn tourner : to turn L tornare : to turn in a lathe, to make round tornus Gr tornos : lathe
tourn– {turn}: tournament, tournedos, tourney, tourniquet ●same as tour–, turn– || OFr tourn, torn tourner : to turn L tornare : to turn in a lathe, to make round tornus Gr tornos : lathe
tox– {poison}: antitoxin, detoxify, intoxicate, toxemia, toxic, toxicity, toxicology, toxin, toxoid || Gr toxicon : poison, originally a poison in which arrows were dipped toxon : a bow. A toxophilite or toxophile is a person who loves archery.
tra–1 {across, over}: tradition, traduce, traffic, traitor, trajectory, tramontane, trance, tranquil, traverse, travesty ●same as trans–, tres– || L trans : across, over
tra–2 {to draw, to drag, to pull}: retrace, subtrahend, trace (all senses), tracer, trail, trailer, train (all senses), trainee ●same as tract–, trait– || various paths in OE, OFr, VL, all ult. L trahere (pp. tractum) : to draw, to drag
trab– {supporting beam, bar, rod}: trabeated, trabecula || L trabs : a wooden beam
trach– {rough}: trachea, tracheate, tracheid, tracheole, tracheotomy, trachoma, trachyte || Gr trachys : rough trachea arteria : rough windpipe, trachea
tract– {to pull}: abstract, attract, contract, detract, distract, extract, intractable, protract, protractor, retract, subtract, tract, tractable, traction, tractor ●same as tra–2, trait– || L trahere (pp. tractum) : to draw, to drag tractare : to haul, to handle, to manage tractābilis : that can be handled, manageable
trag– {goat}: antitragus, tragacanth, tragedy, tragic, tragicomedy, tragopan, tragus || Gr tragos : goat
trait– {to draw}: trait, portrait ●portray, retreat ●unrelated: traitor ●same as tra–2, tract– || Fr trait : draft, line, stroke L tractus : a drawing, a track, a trail L trahere (pp. tractum) : to draw, to drag
trans– {across, over}: intransigent, transaction, transcend, transcript, transfer, transfigure, transfix, transform, transfusion, transgress, transient, transistor, transit, transition, transitive, transitory, translate, transliterate, translucent, transmigrate, transmit, transmogrify, transmute, transom, transparent, transpire, transplant, transport, transpose, transsexual, transubstantiate, transverse, transvestite, Transylvania ●same as tra–1, tres– || L trans : over, across, on or to the other side transitum, pp. of transīre : to go over, to cross trans +īre (pp. itum) : to go
trapez– {four-sided}: trapeze, trapezium, trapezius, trapezoid ●comb. of tetra– + pus– || Gr trapezion : trapezium, literally: a small table, dim of trapeza : table, literally: a four-footed bench tra for tetra : four + peza : foot; akin to pous : foot
tread– {to step, to walk}: retread, tread, treadle, treadmill || ME treden OE tredan Gmc root
treat– {to deal with, to handle}: entreat, mistreat, treat (all senses), treatise, treatment, treaty ●unrelated: retreat || ME treten OFr traiter : to handle, to treat L tractare : to draw, to handle, to manage freq. of trahere (pp. tractum) : to draw, to drag, to pull
trem–1 {to shake}: delirium tremens, tremble, tremendous, tremolo, tremor, tremulous || L tremere : to tremble, to quake tremor : a trembling, shaking, tremor
trem–2 {hole, cavity}: monotreme, trematode || Gr trēma (gen. trēmatos) : a hole
trench– {to cut, to cut a furrow, to dig a trench}: entrench, retrench, trench, trenchant, trencher, trencherman || OFr trenchier : to cut, to hack, poss. L truncare : to shorten by cutting off
trepid– {anxiety, fear}: intrepid, trepidation || L trepidus : anxious, restless, disturbed trepidare : to be anxious; intrepidus : calm, undisturbed
tres– {across, over}: trespass, trestle ●same as tra–1, trans– || OFr tres– (comb. form) VL L trans : across, over
tri–1 {three}: triad, triangle, triangulate, Triassic, tricentennial, triceratops, trichloroethylene, tricolor, tricycle, trident, trifocal, trigonometry, trilateral, trillion, trilogy, trimester, trinity, trinomial, trio, triplane, triple, triplet, triplex, tripod, triptych, trireme, triskaidekaphobia, tritium, triumvirate, triune, trivia ●see also ter– || L tres : three; or Gr treis : three & tris : thrice IE *trei– : three
tri–2 {to sift, to sort out, to try}: mistrial, triable, triage, trial ●try || OFr trier : to sift, to sort; poss. VL tritare : to cull out L tritus terere (pp. trītum) : to rub, to wear away, to grind, to thresh
trib–1 {tribe, chief of a tribe, magistrate, judge}: tribe, tribunal, tribune, tribute (→tribut–) ●unrelated: tribulation || L tribus : a third part of the Roman people, hence: a tribe, a division of the people tribūnus : a tribune, an officer or magistrate of several kinds; tribuere (pp. tribūtum) : to divide out, to allot
trib–2 {to rub}: diatribe, tribadism ●unrelated: tribulation ●see also trit– || Gr tribein : to rub
tribut– {to pay tribute, to pay, to grant}: attribute, contribute, distributary, distribute, retribution, tributary, tribute ●part of trib–1 || L tribuere (pp. tribūtum) : to divide out, to allot ( tribus : a third part of the Roman people, hence: a tribe, a division of the people) tribūtum : tax, fixed contribution, tribute
tric– {entanglements, perplexities}: extricate, intricate, trick ●intrigue || L trīcae : vexations, troubles trīcare : to make difficulties, to shuffle trīco : trickster
trich– {hair}: peritrichous, trichiasis, trichina, trichinosis, trichite, trichocyst, trichoid, trichology, Trichoptera || Gr trichos, gen. of thrix : hair
trit– {to crush, to grind down, to wear out}: attrition, contrite, detrition, detritus, lithotrity, trite, triturate ●detrimental ●see also trib–2 || L trītum, pp. of terere : to rub, to wear away, to grind, to thresh, to use often, to use up trītus : worn, much trodden, well known, trite
troch– {to run, wheel, round}: trochaic, trochal, trochanter, troche, trochee, trochelminth, trochlea, trochoid || Gr trochos : wheel trechein : to run
troll– {to roll, to move along in a rolling manner}: troll (to fish), troll (to sing), trolley, trollop || ME trollen : to roll, to troll, to wander OFr troller Gmc root
trop– {a change, a turn}: anatropous, Atropos, atropine, entropy, heliotrope, isotropic, trope, trophy, tropic, tropical, troposphere || Gr tropos : a turning, a turn trepein : to turn
troph– {growth, nutrition}: atrophy, dystrophy, eutrophic, hypertrophy, somatotrophin (somatotropin), trophic, trophoblast, trophozoite ●unrelated: trophy || Gr trephein : to nourish, to feed trophē : food trophikos : nutrition
trud– {to push}: detrude, extrude, intrude, obtrude, protrude ●same as trus– || L trūdere (pp. trūsum) : to push, to press, to thrust
trus– {to push}: abstruse, detrusion, extrusion, intrusion, obtrusive, protrusion ●thrust ●same as trud– || L trūsum, pp. of trūdere : to push, to press, to thrust
tryps–, trypt– {trypsin}: trypsin, trypsinogen, tryptamine, tryptophan || Ger, prob. Gr tryein : to wear away + Ger (pep)sin Gr pepsis : digestion peptein (earlier pessein) : to cook, to digest IE *pekw– : to cook, to ripen
tub– {tube}: intubate, tubal, tubate, tube, tubeless, tubifex, tuboplasty, tubular, tubulate, tubule, tubuliflorous, tubulin, tubulous, tubulure || L tubus : tube dim. tubulus : small tube
tuber– {lump, swelling}: protuberance, protuberate, tuber, tubercle, tuberculin, tuberculosis, tuberose, tuberous || L tūber : swelling, protuberance dim. tūberculum : small swelling or lump
tud– {condition, state of being}: altitude, amplitude, aptitude, attitude, beatitude, certitude, latitude, longitude, magnitude, multitude, platitude, valetudinarinan || L –tudo, –tudinis : noun-forming suffix for a state, quality, or instance of being
tuit–, tut– {to watch, to look after, to protect}: intuition, intuitive, tuition, tutelage, tutor, tutorial || L tuēri (pp. tuitus or tūtus) : to behold, to look at with care or for the purpose of protection, to keep, to guard tūtari : to protect, to watch; tūtēla : protection, guard, charge; tūtor : watcher, protector
tum– {to swell}: contumacy, contumely, detumescent, tumescent, tumid, tumifacient, tumor, tumult, tumultuous || L tumēre : to swell, to be swollen or puffed up; to swell with anger or excitement tūmor : a swelling, protuberance; tumultus : confusion, uproar, tumult IE *teuə– : to swell
tund– {to beat, to dull, to make blunt}: obtund ●same as tus– || L tundere (pp. tūsum or tunsum) : to beat, to thump, to strike repeatedly IE *steud– : to beat, to strike
turb– {to turn, to spin, to upset}: disturb, perturb, perturbation, turbid, turbine, turbocharge, turbofan, turbojet, turbulent ●tourbillion, trouble || L turba : tumult, uproar, disturbance, commotion, esp. one caused by a crowd of people, hence: mob, swarm, throng (poss. Gr turbē : turmoil) turbare : to disturb, to throw into disorder or confusion; turbo (gen. turbinis) : a movement in a circle, a whirling around
turg– {to swell}: turgescent, turgid, turgor || L turgēre : to swell up, to be swollen turgidus : swollen
turn– {to turn}: downturn, overturn, return, turn, turnabout, turnaround, turnbuckle, turncoat, turndown, turnip, turnkey, turnoff, turnout, turnover, turnpike, turnstile, turntable, upturn ●attorney ●same as tour–, tourn– || OFr tourn, torn tourner : to turn L tornare : to turn in a lathe, to make round tornus Gr tornos : lathe
tus– {to beat, to dull, to make less sharp, blunt}: contusion, obtuse, retuse ●same as tund– || L tūsum or tunsum, pp. of tundere : to beat, to thump, to strike repeatedly IE *steud– : to beat, to strike
tuss– {cough}: antitussive, pertussis, tussis || L tussis : a cough tussire : to cough
tut– ●see tuit–
tw– {two}: between, betwixt, entwine, twain, twelve, twenty, twice, twig, twilight, twill, twin, twine, twist, two, twofold, twosome ●see also di–2 || OE twa & Gmc twa : two; all ult. IE *dwo– : two
tympan– {drum}: tympan, tympani, tympanic, tympanite, tympanitis, tympanum, tympany ●timpani || L tympanum Gr tympanom : drum, area of a pediment, panel of a door typtein : to strike, to beat
typ– {figure, model}: archetype, atypical, prototype, somatotype, stereotype, Teletype™, type, typewriter, typical, typist, typographical || Gr typos : figure, archetype, model, impression
tyrann– {tyrant, tyranny}: sic semper tyrannis, tyrannical, tyrannicide, Tyrannidae, tyrannize, tyrannosaur, tyranny ●tyrant || L tyrannus Gr tyrannos : absolute ruler, usurper, despot, tyrant
tyro– {cheese}: tyrocidine, tyrosinase, tyrosine, tyrothricin ●tyramine || Gr tyros : cheese prob. IE *twewos– *teuə– : to swell, to be strong
* Unattested, hypothesized
† Unknown origin
163 entries found.
Copyright © 2004–07 Daniel M. Short. All Rights Reserved.
