英语词源字典 - 在线词源网站

tactician (n.)[tactician 词源字典]: "expert in tactics," 1761, from tactic + -ian.[tactician etymology, tactician origin, 英语词源]
tactics (n.): 1620s, "science of arranging military forces for combat," from Modern Latin tactica (17c.), from Greek taktike techne "art of arrangement," noun use of fem. of taktikos "of or pertaining to arrangement," especially "tactics in war," adjective to taxis "arrangement, an arranging, the order or disposition of an army, battle array; order, regularity," verbal noun of tassein "arrange," from PIE root *tag- "to set aright, set in order" (see tangent).
tactile (adj.): 1610s, "perceptible to touch," from French tactile (16c.) and directly from Latin tactilis "tangible, that may be touched," from tactus, past participle of tangere "to touch" (see tangent (adj.)). Meaning "of or pertaining to the sense of touch" is attested from 1650s. Related: Tactility.
tactless (adj.): "characterized by want of tact," 1830, from tact + -less. Related: Tactlessly; tactlessness.
tactual (adj.): "pertaining to the sense of touch," 1640s, from Latin tactus "a touch" (see tact) + -al (1).
tad (n.): 1877, "young or small child," probably a shortened form of tadpole, which is said to be the source of Tad as the nickname of U.S. President Lincoln's son Thomas (1853â1871). The extended meaning "small amount" is first recorded 1915.
tadpole (n.): mid-15c., from tadde "toad" (see toad) + pol "head" (see poll (n.)).
tae: a Scottish form of to.
tae kwon do: 1967, from Korean, said to represent tae "kick" + kwon "fist" + do "art, way, method."
taedium vitae: Latin, "weariness of life; a deep disgust with life tempting one to suicide."
taffeta (n.): mid-14c., "fine, smooth, lustrous silk cloth," also taffata, from Old French taffetas (early 14c.), from Italian taffeta or Medieval Latin taffata, ultimately from Persian taftah "silk or linen cloth," noun use of past participle of taftan "to twist, spin, weave, interlace," from Iranian *tap-. Applied to different fabrics in different eras (and see tapestry).
taffrail (n.): 1814, alteration of tafferel (1704) "upper panel on the stern of a ship (often ornamented)," earlier, "a carved panel" (1620s), from Dutch tafereel "panel for painting or carving," dissimulation from *tafeleel, diminutive of tafel "table," from the general West Germanic borrowing of Latin tabula "slab, board" (see table (n.)). The word developed in Dutch from the custom of ornamenting (by painting or carving) the high, flat stern of old sailing ships; spelling and sense altered in English by influence of rail (n.).
taffy (n.): coarse candy made from sugar or molasses boiled down and cooled, 1817, related to toffee, but of uncertain origin; perhaps associated with tafia (1763), a rum-like alcoholic liquor distilled from molasses, presumably of West Indian or Malay origin (perhaps a Creole shortening of ratafia). On this theory, the candy would have been made from the syrup skimmed off the liquor during distillation.
Taffy: characteristic name of a Welshman, c. 1700, from Teifi, Welsh form of Davy (see David).
Taft: surname, from a variant of Old English toft "homestead, site of a house."
tag (n.1): "small, hanging piece from a garment," c. 1400, of uncertain origin but probably from a Scandinavian source (compare Norwegian tagg "point, prong, barb," Swedish tagg "prickle, thorn") and related to Middle Low German tagge "branch, twig, spike"), from Proto-Germanic *tag-. The sense development might be "point of metal at the end of a cord, string, etc.," hence "part hanging loose." Or perhaps ultimately from PIE *dek-, a root forming words referring to fringe, horsetail, locks of hair" (see with tail (n.1)).

Meaning "a label" is first recorded 1835; sense of "automobile license plate" is recorded from 1935, originally underworld slang. Meaning "an epithet, popular designation" is recorded from 1961, hence slang verb meaning "write graffiti in public places" (1990).
tag (n.2): "children's game," 1738 (in reference to "Queen Mary's reign"), perhaps a variation of Scottish tig "touch, tap" (1721), probably an alteration of Middle English tek "touch, tap" (see tick (n.2)). Baseball sense is from 1912.
tag (v.1): "to furnish with a tag," late 14c. (implied in tagged), from tag (n.1). Meaning "go along as a follower" is from 1670s; sense of "follow closely and persistently" is from 1884. Related: Tagging. Verbal phrase tag along is first recorded 1900.
tag (v.2): "a touch in the game of tag," 1878; in baseball, 1904, from tag (n.2); the adjective in the pro-wrestling sense is recorded from 1955. Related: Tagged; tagging.
Tagalog (n.): people living near Manila in the Philippines, also their language, 1704, from Tagalog taga "native to" + ilog "river."