| 词汇 | root |
| 词根词缀 | 词源： root (n.) "underground part of a plant," late O.E. rot, from O.N. rot "root," from P.Gmc. *wrot, *vrot (with characteristic loss of -w- before -r-), from PIE *wrd-. The O.E. cognate was wyrt "root, herb, plant" (see wort); also cognate with L. radix. The usual O.E. words for "root" were wyrttruma and wyrtwala. Figurative use is from c.1200. Of teeth, hair, etc., from early 13c. Mathematical sense is from 1550s. Slang meaning "penis" is recorded from 1846. The verb meaning "fixed or firmly attached by roots" (often figurative) is attested from late 14c.; sense of "to pull up by the root" (now usually uproot) also is from late 14c. Root beer first recorded 1843, Amer.Eng.; root doctor is from 1821. root (v1.) "dig with the snout," 1538, from M.E. wroten "dig with the snout," from O.E. wrotan, from P.Gmc. *wrotanan (cf. O.N. rota, Swed. rota "to dig out, root," M.L.G. wroten, M.Du. wroeten, O.H.G. ruozian "to plow up"), cognate with L. rodere "to gnaw" (see rodent). Associated with the verb sense of root (n.). Extended sense of "poke about, pry" first recorded 1831. Phrase root hog or die "work or fail" first attested 1834, Amer.Eng. (in works of Davey Crockett, who noted it as an "old saying"). Reduplicated form rootin' tootin' "noisy, rambunctious" is recorded from 1875. root (v2.) "cheer, support," 1889, Amer.Eng., originally in a baseball context, probably from root (v.1) via intermediate sense of "study, work hard" (1856). 词根记忆： n. 根,根部;根本,根源v.(使)生根,(使)紮根After a shot the foot began to root and shoot in the boot.打了一针后,脚开始在靴子里生根发芽. |
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