trucker (n.)youdaoicibaDictYouDict[trucker 词源字典]
1853, "worker who moves loads using a cart;" agent noun from truck (v.2). Meaning "person who drives a motorized truck" is by 1935, a shortening of truck driver (1907).[trucker etymology, trucker origin, 英语词源]
truckle (n.)youdaoicibaDictYouDict
"small wheel or roller," late 14c., from Anglo-French trocle, from Latin trochlea "a small wheel, sheaf of a pulley," from Greek trokhileia "a system of pulleys," from trokhos "wheel," from trekhein "to run," from PIE root *dhregh- "to run" (cognates: Old Irish droch "wheel," Lithuanian pa-drosti "to run fast"). Truckle bed "small bed on wheels that can be stowed under a larger bed" is from mid-15c.
truckle (v.)youdaoicibaDictYouDict
"give up or submit tamely," 1610s, originally "sleep in a truckle bed" (see truckle (n.)). Meaning "give precedence, assume a submissive position" (1650s, implied in truckling) is perhaps in reference to that type of bed being used by servants and inferiors or simply occupying the lower position. Related: Truckled; truckling.
truculence (n.)youdaoicibaDictYouDict
1727, from Latin truculentia "savageness, cruelty," from truculentus (see truculent). Related: Truculency (1560s).
truculent (adj.)youdaoicibaDictYouDict
1530s, from Latin truculentus "fierce, savage, stern, harsh, cruel," from trux (genitive trucis) "fierce, rough, savage, wild." Related: Truculently.
trudge (v.)youdaoicibaDictYouDict
"to walk laboriously," 1540s, of unknown origin. Related: Trudged; trudging. The noun meaning "an act of trudging" is attested from 1835.
true (adj.)youdaoicibaDictYouDict
Old English triewe (West Saxon), treowe (Mercian) "faithful, trustworthy, honest, steady in adhering to promises, friends, etc.," from Proto-Germanic *treuwaz- "having or characterized by good faith" (cognates: Old Frisian triuwi, Dutch getrouw, Old High German gatriuwu, German treu, Old Norse tryggr, Danish tryg, Gothic triggws "faithful, trusty"), from PIE *drew-o-, a suffixed form of the root *deru-/*dreu- "be firm, solid, steadfast" (cognates: Lithuanian drutas "firm," Welsh drud, Old Irish dron "strong," Welsh derw "true," Old Irish derb "sure"), with specialized sense "wood, tree" and derivatives referring to objects made of wood (see tree (n.)).

Sense of "consistent with fact" first recorded c. 1200; that of "real, genuine, not counterfeit" is from late 14c.; that of "conformable to a certain standard" (as true north) is from c. 1550. Of artifacts, "accurately fitted or shaped" it is recorded from late 15c. True-love (n.) is Old English treowlufu. True-born (adj.) first attested 1590s. True-false (adj.) as a type of test question is recorded from 1923. To come true (of dreams, etc.) is from 1819.
true (v.)youdaoicibaDictYouDict
"make true in position, form, or adjustment," 1841, from true (adj.) in the sense "agreeing with a certain standard." Related: Trued; truing.
truffle (n.)youdaoicibaDictYouDict
type of edible underground fungus, 1590s, from Middle French trufle (14c.), probably from Old Provençal trufa, metathesized from Late Latin tufera (plural), cognate of Latin tuber "edible root." Another theory notes Italian tartuffo (Milanese tartuffel) "potato," supposedly from terræ tuber. Extended 1926 to powdered, round chocolates that look like truffles.
truism (n.)youdaoicibaDictYouDict
"self-evident truth," 1708, from true (adj.) + -ism; first attested in Swift.
trull (n.)youdaoicibaDictYouDict
"a low prostitute or concubine; a drab, strumpet, trollop" [OED], 1510s, from German trulle "trollop, wench, hussy," perhaps cognate with troll (n.), or perhaps from troll (v.), compare Middle High German trolle "awkward fellow," Swabian trull "a thick, fat woman."
truly (adv.)youdaoicibaDictYouDict
Old English treowlice, from treow (see true (adj.)). Similar formation in Dutch treuwelijk, German getreulich, Swedish troligen.
TrumanyoudaoicibaDictYouDict
surname, attested by 1215, literally "faithful man, trusty man."
trumeau (n.)youdaoicibaDictYouDict
1883, in architecture, "piece of a wall between two openings," as the central pillar of a great doorway," from French trumeau, literally "calf of the leg" (12c.), from a Germanic source (compare German Trumm "end, stump," Swedish dialectal tromm "stump, end of a log").
trump (v.1)youdaoicibaDictYouDict
"surpass, beat," 1580s, from trump (n.). Related: Trumped; trumping.
trump (n.1)youdaoicibaDictYouDict
"playing card of a suit ranking above others," 1520s, alteration of triumph (n.), which also was the name of a card game.
trump (v.2)youdaoicibaDictYouDict
"fabricate, devise," 1690s, from trump "deceive, cheat" (1510s), from Middle English trumpen (late 14c.), from Old French tromper "to deceive," of uncertain origin. Apparently from se tromper de "to mock," from Old French tromper "to blow a trumpet." Brachet explains this as "to play the horn, alluding to quacks and mountebanks, who attracted the public by blowing a horn, and then cheated them into buying ...." The Hindley Old French dictionary has baillier la trompe "blow the trumpet" as "act the fool," and Donkin connects it rather to trombe "waterspout," on the notion of turning (someone) around. Connection with triumph also has been proposed. Related: Trumped; trumping. Trumped up "false, concocted" first recorded 1728.
trump (n.2)youdaoicibaDictYouDict
"trumpet," c. 1300, from Old French trompe "long, tube-like musical wind instrument" (12c.), cognate with Provençal tromba, Italian tromba, all probably from a Germanic source (compare Old High German trumpa, Old Norse trumba "trumpet"), of imitative origin.
trumpery (n.)youdaoicibaDictYouDict
mid-15c., "deceit, trickery," from Middle French tromperie (14c.), from tromper "to deceive," of uncertain origin (see trump (v.2), which has influenced the spelling in English). Meaning "showy but worthless finery" is first recorded c. 1600.
trumpet (n.)youdaoicibaDictYouDict
late 14c., from Old French trompette "trumpet," diminutive of trompe (see trump (n.2)).