T
| Root | Meaning in English | Origin language | Etymology (root origin) | English examples |
|---|---|---|---|---|
| tac-, -tic- | be silent | Latin | tacere, tacitus | reticent, tacit |
| tach- | swift | Greek | ταχύς (tachus) | tachometer, tachycardia |
| taeni- | ribbon | Greek | ταινία (tainia) | taenidium, taeniodont, Taeniolabis |
| tal- | ankle | Latin | talus | talus bone |
| tang-, -ting-, tact-, tag- | touch | Latin | tangere, tactus | contact, tactile, tangent |
| tapet- | carpet | Latin | tapete, tapetis | tapestry, tapetum, tapis |
| tard- | slow | Latin | tardus | retard, tardigrade, tardy |
| tars- | ankle | Greek | ταρσός (tarsos, a flat basket) | tarsal |
| taur- | bull | Greek | ταῦρος (tauros) | Minotaur |
| taur- | bull | Latin | taurus | Taurus |
| tax- | arrangement, order | Greek | τάξις (taxis) | taxonomy |
| techn- | art, skill | Greek | τέχνη (technē) | technology |
| teg-, tect- | cover | Latin | tegere, tectus | integument, protection |
| tele- | far, end | Greek | τῆλε (tēle) | telegram, telephone, telescope |
| tele- | complete | Greek | τέλος (telos) | teleology |
| temn- | cut | Greek | τέμνω (temnō) | Temnospondyli |
| tempor- | time | Latin | tempus, temporis | contemporary, temporal, temporary |
| ten-, -tin-, tent- | hold | Latin | tenere, tentus | continent, detention, tenacious, tenor |
| tend-, tens- | stretch, strain | Latin | tendere, tensus | extend, extension |
| tenu- | slender, thin | Latin | tenuis | attenuate, tenuous |
| tep- | be warm | Latin | tepere | tepid, tepor |
| ter-, trit- | rub | Latin | terere, tritus | attrition, contrite, detritus, trite |
| teret- | rounded | Latin | teres, teretis | subterete, teretial |
| terg-, ters- | wipe | Latin | tergere, tersus | detergent, terse |
| termin- | boundary, limit, end | Latin | terminus | determine, terminal, termination |
| tern- | three each | Latin | terni | ternary, ternion |
| terr- | dry land | Latin | terra | subterranean, terrace, terracotta, terrain |
| terti- | third | Latin | tertius | tertian, tertiary |
| test- | witness | Latin | testis | testament, testimony |
| tetr- | four | Greek | τέσσαρες (tessares) | tetrahedron, tetrode |
| tex-, text- | weave | Latin | texere, textus | context, texture, textile |
| thalam- | chamber, bed | Greek | θάλαμος (thalamos) | |
| thalass- | sea | Greek | θάλασσα (thalassa) | Panthalassa |
| than- | death | Greek | θάνατος (thanatos) | euthanasia |
| the-, thus- | god | Greek | θεός (theos) | enthusiasm, theology |
| the- | put | Greek | τίθημι (tithēmi), θήκη (thēkē) | Bibliotheca, theca, theme, thesis |
| thel- | Greek | θηλή (thēlē) | ||
| theori- | speculation | Greek | θεωρία (theōria) | theorem, theory |
| ther- | beast, animal | Greek | θήρ, θηρός (thēr) | theroid, theropod |
| therm- | heat, warm | Greek | θερμός (thermos) | endotherm, thermometer |
| thym- | mood | Greek | θυμός (thumos) | dysthymia |
| thyr- | door | Greek | θύρα (thura) | thyratron |
| thyre- | large shield | Greek | θυρεός (thureos) | Thyreophora, thyroid, thyrotropin, thyroxine |
| tim- | be afraid | Latin | timere | timid, timorous |
| ting-, tinct- | moisten | Latin | tingere, tinctus | tincture |
| tom- | cut | Greek | τομή (tome), τόμος (tomos) | ectomy, atom, tome |
| ton- | stretch | Greek | τόνος (tonos) | isotonic, monotone, tone |
| top- | place | Greek | τόπος (topos) | topic, topography |
| torn- | cut | Latin from Greek | tornare < τόρνος (tornos) | |
| torpe- | numb | Latin | torpere | torpent, torpid, torpor |
| torqu-, tort- | twist | Latin | torquere, tortus | extortion, torque, torture |
| tot- | all, whole | Latin | totus | subtotal, total, totality |
| tox- | arrow, bow | Greek | τόξον (toxon) | |
| trab- | beam | Latin | trabs, trabis | trabeculae |
| trachy- | rough | Greek | τραχύς (trachus) | trachea |
| trag- | goat | Greek | τράγος (tragos) | tragus |
| trah-, tract- | draw, pull | Latin | trahere, tractus | subtrahend, tractor |
| trans-, tra-, tran- | across | Latin | trans | tradition, transcend, transportation |
| trapez- | four-sided, table | Greek | τράπεζα (trapeza) | trapezius, trapezoid |
| traum- | wound | Greek | τραῦμα (trauma) | trauma, traumatic |
| trecent- | three hundred | Latin | trecenti | trecentennial, trecentillion |
| tredec- | thirteen | Latin | tredecim | tredecimal |
| treiskaidek- | thirteen | Greek | τρεισκαίδεκα (treiskaideka) | triskaidekaphobia |
| trem- | tremble | Latin | tremere | tremor |
| trema- | hole | Greek | τρῆμα (trēma) | trematode |
| tri- | three | Greek | τρεῖς, τρία (treis, tria) | triad, trigon, triode, tripod |
| tri- | three | Latin | trēs | triangle, triumvirate, trivia |
| tricen- | thirty each | Latin | triceni | tricenary |
| tricesim-, trigesim- | thirtieth | Latin | tricesimus | trigesimal |
| trich- | hair | Greek | θρίξ, τριχός (thrix, trichos) | peritrichous, trichopathophobia, Trichoptera |
| trin- | three each | Latin | trini | trinary, trine, trinity |
| trit- | third | Greek | τρίτος (tritos) | tritagonist |
| troch- | wheel | Greek | τροχός (trochos) | trochlea |
| trop- | turning | Greek | τρόπος (tropos) | heliotropism, psychotropic, tropic |
| troph- | feed, grow | Greek | τροφή, τροφός (trophos) | dystrophy, pogonotrophy, trophic |
| trud-, trus- | thrust | Latin | trudere, trusus | extrusion, intrude |
| tuss- | cough | Latin | tussis, tussire | pertussis |
| tympan- | drum | Greek | τύμπανον (tumpanon) | tympani |
| typ- | stamp, model | Greek | τύπος (tupos) | archetype, phenotype, typography |
Read more about this topic: List Of Greek And Latin Roots In English