tie-dye (v.)youdaoicibaDictYouDict[tie-dye 词源字典]
1904, from tie (v.) + dye (v.) in reference to the method. Related: Tie-dyed.[tie-dye etymology, tie-dye origin, 英语词源]
tie-in (n.)youdaoicibaDictYouDict
"connection," 1934, from verbal phrase (attested by 1793), from tie (v.) + in (adv.).
tier (n.)youdaoicibaDictYouDict
"row, rank, range," mid-15c., from Middle French tire, from Old French tire (13c.) "rank, sequence, order, kind," also "likeness, image; state, condition," probably from tirer "to draw, draw out" (see tirade).
tierce (n.)youdaoicibaDictYouDict
old unit of liquid measure equal to one-third of a pipe (42 gallons), 1530s, from Anglo-French ters, Old French tierce (11c.). used in the sense "one-third" in various ways, from Latin tertia, fem. of tertius "a third," from PIE *tri-tyo-, from root *trei- (see three). Also used in Middle English for "a third part" (late 15c.), "the third hour of the canonical day" (ending at 9 a.m.), late 14c., and, in astronomy and geometry, "sixtieth part of a second of an arc."
tiff (n.)youdaoicibaDictYouDict
1727, "outburst of temper," later "petty quarrel" (1754), of uncertain origin; OED suggests imitative, "from the sound of a slight puff of air or gas."
tiffany (n.)youdaoicibaDictYouDict
"type of thin, transparent fabric," c. 1600; earlier a common name for the festival of the Epiphany (early 14c.; in Anglo-French from late 13c.), from Old French Tifinie, Tiphanie "Epiphany" (c. 1200), from Late Latin Theophania "Theophany," another name for the Epiphany, from Greek theophania "the manifestation of a god" (see theophany).

Also popular in Old French and Middle English as a name given to girls born on Epiphany Day. The fabric sense is found only in English and is of obscure origin and uncertain relation to the other meanings, unless "holiday silk" or as a fanciful or playful allusion to "manifestation:"
The invention of that fine silke, Tiffanie, Sarcenet, and Cypres, which instead of apparell to cover and hide, shew women naked through them. [Holland's "Pliny," 1601]
The fashionable N.Y. jewelry firm Tiffany & Co. (1895) is named for its founder, goldsmith Charles L. Tiffany (1812-1902) and his son, Louis C. Tiffany (1848-1933), who was the art nouveau decorator noted for his glassware. The surname is attested in English from 1206.
tig (n.)youdaoicibaDictYouDict
child's game, 1816, earlier tick (1620s), variant of tag (n.2).
tiger (n.)youdaoicibaDictYouDict
Old English tigras (plural), also in part from Old French tigre "tiger" (mid-12c.), both from Latin tigris "tiger," from Greek tigris, possibly from an Iranian source akin to Old Persian tigra- "sharp, pointed," Avestan tighri- "arrow," in reference to its springing on its prey, "but no application of either word, or any derivative, to the tiger is known in Zend." [OED]. Of tiger-like persons from c. 1500. The meaning "shriek or howl at the end of a cheer" is recorded from 1845, American English, and is variously explained. Tiger's-eye "yellowish-brown quartz" is recorded from 1886.
tight (adj.)youdaoicibaDictYouDict
c. 1400, tyght "dense, close, compact," from Middle English thight, from Old Norse þettr "watertight, close in texture, solid," and also from Old English -þiht (compare second element in meteþiht "stout from eating"), both from Proto-Germanic *thinhta- (cognates: Middle High German dihte "dense, thick," German dicht "dense, tight," Old High German gidigan, German gediegen "genuine, solid, worthy"), from PIE root *tenk- (2) "to become firm, curdle, thicken" (cognates: Irish techt "curdled, coagulated," Lithuanian tankus "close, tight," Persian tang "tight," Sanskrit tanakti "draws together, contracts").

Sense of "drawn, stretched" is from 1570s; meaning "fitting closely" (as of garments) is from 1779; that of "evenly matched" (of a contest, bargain, etc.) is from 1828, American English; that of "drunk" is from 1830. Of persons, "close, intimate, sympathetic" from 1956. From 1670s as an adverb; to sit tight is from 1738; sleep tight as a salutation in sending someone off to bed is by 1871. Related: Tightly; tightness. Tight-assed "unwilling to relax" is attested from 1903. Tight-laced is recorded from 1741 in both the literal and figurative senses. Tight-lipped is first attested 1872.
tighten (v.)youdaoicibaDictYouDict
"to make tight," 1727; the earlier verb was simply tight, from Old English tyhtan, from the root of tight. Related: Tightened; tightening.
tightrope (n.)youdaoicibaDictYouDict
1801, from tight (adj.) + rope (n.). So called for being tensely stretched.
tights (n.)youdaoicibaDictYouDict
1827, "tight-fitting breeches," from tight. Meaning "skin-tights worn by dancers, acrobats, etc." is attested from 1836.
tightwad (n.)youdaoicibaDictYouDict
"parsimonious person," 1900, from tight in the figurative sense of "close-fisted" (1805) + wad (n.). The notions of stringency and avarice also combine in Modern Greek sphiktos "greedy," literally "tight."
tigress (n.)youdaoicibaDictYouDict
1610s, from tiger + -ess.
TigrisyoudaoicibaDictYouDict
river in Turkey and Iraq, from an Iranian source akin to words for "arrow," probably in reference to the swiftness of its current. Compare Old Persian tigra- "sharp, pointed," Avestan tighri- "arrow."
TijuanayoudaoicibaDictYouDict
from the name of a Diegueño (Yuman) village, written Tiajuan in 1829; deformed by folk-etymology association with Spanish Tia Juana "Aunt Jane."
Tiki (n.)youdaoicibaDictYouDict
"large wooden image of the creator-ancestor of Maoris and Polynesians," 1777, from Eastern Polynesian tiki "image." Tiki torch is first recorded 1973.
tilyoudaoicibaDictYouDict
variant of till (prep.) or short for until.
tilapia (n.)youdaoicibaDictYouDict
1849, formed in Modern Latin, perhaps from Greek tilon, name of a fish in Aristotle, + apios "distant."
tilde (n.)youdaoicibaDictYouDict
1864, from Spanish, metathesis of Catalan title, from vernacular form of Medieval Latin titulus "stroke over an abridged word to indicate missing letters," a specialized sense of Latin titulus, literally "inscription, heading" (see title (n.)). The mark itself represents an -n- and was used in Medieval Latin manuscripts in an abridged word over a preceding letter to indicate a missing -n- and save space.