英语词源字典 - 在线词源网站

trepid (adj.)[trepid 词源字典]: "trembling from fear or terror," 1640s, from Latin trepidus "scared" (see trepidation). Related: Trepidly; trepidness.[trepid etymology, trepid origin, 英语词源]
trepidation (n.): c. 1600, from Middle French trepidation (15c.) and directly from Latin trepidationem (nominative trepidatio) "agitation, alarm, trembling," noun of action from past participle stem of trepidare "to tremble, hurry," from trepidus "alarmed, scared," from PIE *trep- (1) "to shake, tremble" (cognates: Sanskrit trprah "hasty," Old Church Slavonic trepetati "to tremble"), related to *trem- (see tremble (v.)).
tres (adv.): "very," 1815, from French très, from Old French tres "right, precisely, completely, very," from Latin trans "beyond" (see trans-), later "very" (compare Old Italian trafreddo "very cold").
trespass (v.): c. 1300, "transgress in some active manner, commit an aggressive offense, to sin," from Old French trespasser "pass beyond or across, cross, traverse; infringe, violate," from tres- "beyond" (from Latin trans-; see trans-) + passer "go by, pass" (see pass (v.)). Meaning "enter unlawfully" is first attested in forest laws of Scottish Parliament (c. 1455). The Modern French descendant of Old French trespasser, trépasser, has come to be used euphemistically for "to die" (compare euphemistic use of cross over, and obituary). Related: Trespassed; trespassing.
trespass (n.): c. 1300, "a transgression," from Old French trespas, verbal noun from trespasser (see trespass (v.)). Related: Trespasses.
tress (n.): c. 1300, "long lock of hair," from Old French tresse "a plait or braid of hair" (12c.), of uncertain origin, perhaps from Vulgar Latin *trichia "braid, rope," from Greek trikhia "rope," from thrix (genitive trikhos) "hair." Related: Tresses.
tress (v.): "arrange in tresses," mid-14c., from Old French trecier (12c.), from tresse (see tress (n.)).
tressel (n.): see trestle.
trestle (n.): early 14c., "a support for something," from Old French trestel "crossbeam" (12c., Modern French tréteu), presumed to be an alteration of Vulgar Latin *transtellum, diminutive of transtrum "beam, crossbar" (see transom). Specific meaning "support for a bridge" is recorded from 1796.
tret (n.): "allowance on goods sold by weight," c. 1500, of unknown origin; perhaps related to trait "act of drawing."
Trevor: surname, from Trevor, Denbeigh.
trey (n.): late 14c., "card, die, or domino with three spots," from Anglo-French, Old French treis (Modern French trois), oblique case of treie "three," from Latin tria (neuter) "three" (see three). In slang use for "three (of anything)" from 1887.
tri-: word-forming element meaning "three, having three, once every three," from Latin tres (neuter tria) or Greek treis, trias "three" (see three).
triad (n.): 1540s, "group or set of three," from Late Latin trias (genitive triadis), from Greek trias (genitive triados) "a triad, the number three," from treis "three" (see three). Musical sense of "chord of three notes" is from 1801. Related: Triadic.
triage (n.): 1727, "action of assorting according to quality," from French triage "a picking out, sorting" (14c.), from Old French trier "to pick, cull" (see try (v.)). There seems to be some influence from or convergence with Latin tria "three" (as in triage for "coffee beans of the third or lowest quality"). In World War I, adopted for the sorting of wounded soldiers into groups according to the severity of their injuries, from French use.
First of all, the wounded man, or "blessé, is carried into the first of the so-called "Salles de Triage" or sorting wards. Here his name and regimental number, and if he is in condition to give it, the address of his family are taken; .... Then a hasty look-over from the surgeon sends him into one of the two other "Salles de Triage" -- that of the "Petits Blessés" if he is only slightly wounded and that of the "Grands Blessés" if he is more severely so. [Woods Hutchinson, M.D., "The Doctor in War," Boston, 1918]
trial (n.): mid-15c., "act or process of testing, a putting to proof by examination, experiment, etc.," from Anglo-French trial, noun formed from triet "to try" (see try (v.)). Sense of "examining and deciding of the issues between parties in a court of law" is first recorded 1570s; extended to any ordeal by 1590s. As an adjectival phrase, trial-and-error is recorded from 1806. Trial balloon (1826) translates French ballon d'essai, a small balloon sent up immediately before a manned ascent to determine the direction and tendency of winds in the upper air, though the earliest use in English is figurative.
triangle (n.): late 14c., from Old French triangle (13c.), from Latin triangulum "triangle," noun use of neuter of adjective triangulus "three-cornered, having three angles," from tri- "three" (see tri-) + angulus "corner, angle" (see angle (n.)).
triangular (adj.): c. 1400, from Late Latin triangularis "triangular, pertaining to a triangle," from Latin triangulus "with three corners" (the usual adjective in classical Latin), as a noun, "a triangle;" see triangle. Related: Triangularly.
In the huts of witches all the instruments and implements are triangular. ["Handwörterbuch des deutschen Aberglaubens"]
triangularity (n.): 1680s, from triangular + -ity.
triangulate (v.): 1833, originally in surveying, from Latin triangulum "a triangle" (see triangle) + -ate (2). Related: Triangulated; triangulating. Figurative use by 1860.