英语词源字典 - 在线词源网站

toolkit (n.)[toolkit 词源字典]: also tool-kit, 1908, from tool (n.) + kit (n.1).[toolkit etymology, toolkit origin, 英语词源]
toon (n.): colloquial shortening of cartoon (n.), attested by 1985.
toot (v.): c. 1500, of horns, ultimately imitative, also found in Middle Low German and Low German tuten "blow a horn." Related: Tooted; tooting. Tooting as a strong affirmative (as in you're damned tootin') is attested from 1932, American English.
toot (n.): 1640s, from toot (v.); meaning "cocaine" is attested by 1977.
toot sweet (adv.): "right away, promptly," 1917, American English, representing U.S. soldiers' mangled adaptation of French tout de suite.
tooth (n.): Old English toð (plural teð), from Proto-Germanic *tan-thuz (cognates: Old Saxon, Danish, Swedish, Dutch tand, Old Norse tönn, Old Frisian toth, Old High German zand, German Zahn, Gothic tunþus), from PIE *dent- "tooth" (cognates: Sanskrit danta, Greek odontos, Latin dens, Lithuanian dantis, Old Irish det, Welsh dent). Plural form teeth is an instance of i-mutation.

Application to tooth-like parts of other objects (saws, combs, etc.) first recorded 1520s. Tooth and nail as weapons is from 1530s. The tooth-fairy is attested from 1964.
tooth-ache (n.): also toothache, Old English toðece; see tooth + ache (n.).
toothbrush (n.): also tooth-brush, 1650s, from tooth + brush (n.1).
toothless (adj.): Old English toðleas, in the literal sense; see tooth + -less. Figurative sense of "dull" is recorded from 1590s; that of "lacking enforcement powers" is first recorded 1961. Related: Toothlessly; toothlessness.
toothpaste (n.): also tooth-paste, 1832, from tooth + paste (n.). Earlier substances were tooth-powder (1540s); tooth-soap (c. 1600).
toothpick (n.): also tooth-pick, late 15c., from tooth + pick (n.). Old English had toðsticca.
toothsome (adj.): "pleasant to the taste," 1560s, from -some (1) + tooth in a figurative sense of "appetite, taste, liking" attested from late 14c. (compare sweet tooth, also figurative use of palate). The extended sense of "attractive" (1550s) is attested earlier. Related: Toothsomely; toothsomeness.
tootle (v.): 1820, frequentative of toot (v.). Related: Tootled; tootling.
toots (n.): slang familiar form of address to a woman or girl, 1936, American English, short for tootsie, tootsy, from tootsy-wootsy (1895), a familiar form of address to a sweetheart, originally a playful or nursery name for a small foot, from childish pronunciation of foot (n.); compare tootsy.
tootsy (n.): also tootsie, 1854, baby-talk substitution for foot (n.). Candy bar Tootsie Roll patent claims use from 1908.
top (n.1): "highest point," Old English top "summit, crest, tuft," from Proto-Germanic *tuppaz (cognates: Old Norse toppr "tuft of hair," Old Frisian top "tuft," Old Dutch topp, Dutch top, Old High German zopf "end, tip, tuft of hair," German Zopf "tuft of hair"); no certain connections outside Germanic except a few Romanic words probably borrowed from Germanic.

Few Indo-European languages have a word so generic, which can be used of the upper part or surface of just about anything. More typical is German, which has Spitze for sharp peaks (mountains), oberfläche for the upper surface of flat things (such as a table). Meaning "highest position" is from 1620s; meaning "best part" is from 1660s. To go over the top is World War I slang for "start an attack," in reference to the top of the trenches; as "beyond reasonable limits, too far" it is recorded from 1968. Top of the world as "position of greatest eminence" is from 1670s. Top-of-the-line (adj.) is by 1950.
top (n.2): "toy that spins on a point," late Old English top, probably a special use of top (n.1), but the modern word is perhaps via Old French topet, which is from or influenced by a Germanic source akin to the root of English top (n.1). As a type of seashell, first recorded 1680s.
top (v.): "put a top on," 1580s, perhaps mid-15c., from top (n.1). Earlier "cut the top off, shave the head" (c. 1300). The meaning "be higher or greater than" also is first recorded 1580s. Meaning "strike (a ball) towards its top" is from 1881. Related: Topped; topping. To top off "to finish" is colloquial from 1836; in sense "fill up, add more to to bring to fullness" it is from 1917.
top (adj.): "being at the top," 1590s, from top (n.1). Top dollar "high price" is from 1942. Top-drawer (1920) is from British expression out of the top drawer "upper-class." Top ten in popular music is from 1945 ("Billboard"). The top dog is the one uppermost in a fight, from 1868 in figurative use, opposed to the underdog.
But if the under dog in the social fight runs away with a bone in violation of superior force, the top dog runs after him bellowing, "Thou shalt not steal," and all the other top dogs unite in bellowing, "This is divine law and not dog law;" the verdict of the top dog so far as law, religion, and other forms of brute force are concerned settles the question. [Van Buren Denslow, "Modern Thinkers: What They Think and Why," 1880]
top-hamper (n.): 1791, originally the upper masts, sails, and rigging of a sailing ship, from top (n.1) + hamper (n.) in the nautical sense of "things necessary but often in the way."