英语词源字典 - 在线词源网站

transportable (adj.)[transportable 词源字典]: 1580s, from transport (v.) + -able.[transportable etymology, transportable origin, 英语词源]
transportation (n.): 1530s, "act of transporting," noun of action from transport (v.). Middle English used verbal noun transporting (early 15c.). In the sense of "means of conveyance" it is first recorded 1853.
transpose (v.): late 14c., from Old French transposer "transfer, remove; present, render symbolically" (14c.), from Latin transponere (past participle transpositus) "to place over, set over," from trans- "over" (see trans-) + ponere "to put, place" (past participle positus; see position (n.)). Form altered in French on model of poser "to put, place." Sense of "put music in a different key" is from c. 1600. Related: Transposed; transposing.
transposition (n.): 1530s, from Middle French transposition or directly from Medieval Latin transpositionem (nominative transpositio), noun of action from past participle stem of transponere (see transpose).
transsexual: 1957 (adj. and n.), from trans- + sexual, and compare transsexualism.
transsexualism (n.): "intense desire to change one's sexual status, including the anatomical structure," 1953, coined by U.S. physician Harry Benjamin (1885-1986) from trans- + sexual. Transsexuality is recorded from 1941, but was used at first to mean "homosexuality" or "bisexuality." In the current sense from 1955.
transubstantiation (n.): late 14c., "change of one substance to another," from Medieval Latin trans(s)ubstantiationem (nominative trans(s)ubstantio), noun of action from trans(s)ubstantiare "to change from one substance into another," from Latin trans- "across" (see trans-) + substantiare "to substantiate," from substania "substance" (see substance). Ecclesiastical sense in reference to the Eucharist first recorded 1530s.
transversal (adj.): "running or lying across," mid-15c., from Medieval Latin transversalis (13c.), from transvers-, stem of transvertere (see transverse). Earlier in the same sense was transversary (c. 1400). As a noun, from 1590s. Related: Transversally.
transverse (adj.): "lying across," early 15c. (earlier transversary, c. 1400), from Latin transversus "turned or directed across," past participle of transvertere "turn across," from trans- "across" (see trans-) + vertere "to turn" (see versus). The verb transvert is recorded from late 14c.
transvestite (n.): "person with a strong desire to dress in clothing of the opposite sex," 1922, from German Transvestit (1910), coined from Latin trans- "across" (see trans-) + vestire "to dress, to clothe" (see wear (v.)). As an adjective from 1925. Transvestism is first attested 1928. Also see travesty, which is the same word, older, and passed through French and Italian; it generally has a figurative use in English, but has been used in the literal sense of "wearing of the clothes of the opposite sex" (often as a means of concealment or disguise) since at least 1823, and travestiment "wearing of the dress of the opposite sex" is recorded by 1832. Among the older clinical words for it was Eonism "transvestism, especially of a man" (1913), from Chevalier Charles d'Eon, French adventurer and diplomat (1728-1810) who was anatomically male but later in life lived and dressed as a woman (and claimed to be one).
Transylvania: literally "beyond the forest," from Medieval Latin, from trans "beyond" (see trans-) + sylva (see sylvan). So called in reference to the wooded mountains that surround it.
trap (v.): late 14c., "ensnare (an animal), catch in a trap; encircle; capture," from trap (n.) or from Old English betræppan. Figurative use is slightly earlier (late 14c.). Related: Trapped; trapping.
trap (n.): "contrivance for catching unawares," late Old English træppe, treppe "snare, trap," from Proto-Germanic *trep- (cognates: Middle Dutch trappe "trap, snare"), related to Germanic words for "stair, step, tread" (Middle Dutch, Middle Low German trappe, treppe, German Treppe "step, stair," English tread (v.)), and probably literally "that on or into which one steps," from PIE *dreb-, extended form of root *der- (1), an assumed base of words meaning "to run, walk, step." Probably akin to Old French trape, Spanish trampa "trap, pit, snare," but the exact relationship is uncertain.

Sense of "deceitful practice, device or contrivance to betray one" is first recorded c. 1400. Meaning "U-shaped section of a drain pipe" is from 1833. Slang meaning "mouth" is from 1776. Speed trap recorded from 1908. Trap door "door in a floor or ceiling" (often hidden and leading to a passageway or secret place) is first attested late 14c.
trapeze (n.): swing with a cross-bar, used for feats of strength and agility, 1861, from French trapèze, from Late Latin trapezium (see trapezium), probably because the crossbar, the ropes and the ceiling formed a trapezium.
The French, to whose powers of invention (so long as you do not insist upon utility) there is no limit, have invented for the world the Trapeze .... ["Chambers's Journal," July 6, 1861]
trapezium (n.): 1560s, from Late Latin trapezium, from Greek trapezion "irregular quadrilateral," literally "a little table," diminutive of trapeza "table, dining table," from tra- "four" (see four) + peza "foot, edge," related to pous, from PIE root *ped- (1) "a foot" (see foot (n.)). Before 1540s, Latin editions of Euclid used the Arabic-derived word helmariphe. As the name of a bone in the wrist, it is recorded from 1840.
trapezius (n.): muscle over the back of the neck, 1704, from Modern Latin trapezius (musculus), masc. adjective from trapezium (see trapezium). So called from the shape they form.
trapezoid (n.): 1706, "a trapezium," from Modern Latin trapezoides, from Late Greek trapezoeides, noun use by Euclid of Greek trapezoeides "trapezium-shaped," from trapeza, literally "table" (see trapezium), + -oeides "shaped" (see -oid). Technically, a plane four-sided figure with no two sides parallel. But in English since c. 1800, often confused with trapezium in its sense of "a quadrilateral figure having only sides parallel and two not."
trapezoidal (adj.): 1796, from trapezoid + -al (1).
trapper (n.): "one who traps animals" (for fur, etc.), 1768, agent noun from trap (v.).
trappings (n.): late 14c., "horse-cloth," from Middle English trappe "ornamental cloth for a horse" (c. 1300), later "personal effects" (mid-15c.), alteration of Middle French drap "cloth" (see drape (n.)).