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"T" Word Origins

Where do words come from? Trace the origin and history of any English word, from its Latin, Greek or Old English roots through to its modern meaning. Every etymology is sourced.

“T” Word Origins

trichiliocosm
Origin
From tri- + chilia- + cosmos, partially calquing Sanskrit त्रिसहस्रमहासहस्रलोकधातु (trisahasramahāsahasralokadhātu, literally “three thousand million world element”).
trick
Latin
From Old Northern French trique, related to Old French trichier, "to cheat or deceive" — ultimately connected to Latin words meaning "to dodge" or "haggle."
tricker
Origin
Derived from trick + -er.
trickery
Origin · 1700
Formed from trick plus the noun suffix -ery, first recorded in the early 18th century.
trickle
Middle English
From Middle English triklen, which grew out of an older word striklen ("to trickle") after speakers misheard where one word ended and the next began — the same kind of slip that gave us "an apron" from "a napron."
trickster
Origin
Built from trick plus the agent suffix -ster (the same ending found in words like gangster and youngster).
tricky
Origin
From trick plus the adjective ending -y.
tricorder
Origin
Coined for Star Trek, blending tri- (its three main scanning functions) with (re)corder.
tricycle
French
From French tricycle, built from tri- ("three") plus cycle.
trident
Latin
From Latin tridens, combining tri- ("three") and dens ("tooth").
tried
Middle English
The past participle of try, from Middle English tried.
trier
Middle English
From Middle English triour, related to try plus the agent suffix -er.
Trieste
Italian
Borrowed from Italian Trieste.
trifecta
Origin
Formed from tri- ("three") plus the ending from (per)fecta, a betting term.
trifle
Old French
From Old French trufle, related to truffe ("deception"); the origin beyond that is uncertain.
trifling
Origin
By surface analysis, trifle + -ing.
trig
Old Norse
From Old Norse tryggr ("loyal, true"), related to the English word true.
trigger
Dutch
Originally "tricker," from Dutch trekker ("pull"), related to trekken ("to pull or drag").
triggerman
Origin
From trigger + man.
trigon
Origin
From Ancient Greek τρίγωνον (trígōnon, “triangle”), neuter substantive of τρίγωνος (trígōnos, “three-sided”), from τρεῖς (treîs, “three”) + γωνία (gōnía, “bend, angle”). Equivalent to tri- + -gon. Doublet of trigone and trigonon.
trigonal
Origin
From Latin trigōnālis (“triangular”), equivalent to trigon + -al.
trigonometry
New Latin · 1610
From Greek trigonon ("triangle") and metron ("measure"), coined in the 1610s as New Latin trigonometria.
trike
Origin
Shortening of tricycle, modelled on bike.
trilby
Origin
Named after the stage adaptation of George du Maurier's novel Trilby, in which characters wore this style of hat.
trilithium
Origin
From tri- + lithium.
trill
Middle English
From Italian trillo/trillare, borrowed into Middle English as trillen.
trilling
Origin
Compare German Drilling.
trillion
French
From French tri- ("three") plus -illion, following the pattern of million and billion.
trilogy
Greek
From Greek trilogia, built from tri- ("three") and -logy.
trim
Old English
From Old English trymman ("to make firm, strengthen"), related to the idea of putting something in proper order.
trimester
Latin
From Latin trimestris ("of three months"), from tres ("three") and mensis ("month").
trimmer
Origin · 1680
From trim plus -er; the "opportunist" sense dates to the 1680s, from the nautical idea of adjusting sails to suit the wind.
trimonthly
Origin
From tri- + monthly.
trinary
Origin
From Late Latin trīnārius (“consisting of three”), from Latin trīni (“triple, three each”) + -ārius.
trine
Latin
From Latin trinus ("threefold"), via Old French trin.
Trini
Origin
A shortened, informal form of "Trinidadian."
Trinidad
Spanish
From Spanish trinidad ("trinity"); Columbus named the island after the Holy Trinity to fulfil a religious vow.
trinity
Latin
From Latin trinitas ("group of three"), from trini ("three each"); it displaced the native Old English word thrines.
trinket
Old French
Origin uncertain, though it may be linked to Old French tryncle ("piece of jewellery").
trinkety
Origin
From trinket + -y.
trio
Italian · 1700
Borrowed from Italian trio in the early 18th century.
trip
Old French
From Middle English trippen ("to step lightly, skip"), possibly via Old French triper or Middle Dutch trippen.
tripartite
Origin
From Latin tripartītus.
tripartition
Origin
Compare French tripartition.
Tripathi
Sanskrit
From Sanskrit tripathin, "one who knows three (Vedic) paths."
tripe
Old French
From Old French tripe ("entrails"), a word of uncertain origin — possibly borrowed from Spanish tripa.
triple
Latin
From Latin triplus, ultimately from the same Proto-Indo-European root as "three" — a doublet of "treble."
triplet
Origin
PIE word *tréyes From triple + -et.