runcibleyoudaoicibaDictYouDict[runcible 词源字典]
1871, a nonsense word coined by Edward Lear; used especially in runcible spoon "spoon with three short tines like a fork," which first took the name 1926.[runcible etymology, runcible origin, 英语词源]
runcinate (adj.)youdaoicibaDictYouDict
1776, "saw-toothed," from Modern Latin runcinatus, from Latin runcina "a (carpenter's) plane."
rundown (n.)youdaoicibaDictYouDict
in baseball, 1908, from verbal phrase, from run (v.) + down (adv.). Meaning "list of entries in a horse race and the odds" is from 1935; slang generalized sense of "summary, account, list of information or facts" is from 1945.
rune (n.)youdaoicibaDictYouDict
Old English run, rune "secret, mystery, dark mysterious statement, (secret) council," also "a runic letter" (runstæf), from Proto-Germanic *runo (cognates: Old Norse run "a secret, magic sign, runic character," Old High German runa "a secret conversation, whisper," Gothic runa), from PIE *ru-no-, source of technical terms of magic in Germanic and Celtic (cognates: Gaelic run "a secret, mystery, craft, deceit, purpose, intention, desire," Welsh rhin "a secret, charm, virtue"). Also see Runnymede.

The word entered Middle English as roun and by normal evolution would have become Modern English *rown, but it died out mid-15c. when the use of runes did. The modern usage is from late 17c., from German philologists who had reintroduced the word in their writings from a Scandinavian source (such as Danish rune, from Old Norse run). The runic alphabet is believed to have developed by 2c. C.E. from contact with Greek writing, with the letters modified to be more easily cut into wood or stone.
rung (n.)youdaoicibaDictYouDict
Old English hrung "rod, bar," from Proto-Germanic *khrungo (cognates: Middle Low German runge, Old High German runga "stake, stud, stave," German Runge "stake, stud, stave," Middle Dutch ronghe, Dutch rong "rung," Gothic hrugga "staff"), of unknown origin with no connections outside Germanic. Sense in English narrowed to "round or stave of a ladder" (first attested late 13c.), but usage of cognate words remains more general in other Germanic languages.
This [rungs] has generally been considered as a mere corruption of rounds; and people of education use only this latter word. [John Pickering, "A Vocabulary or Collection of Words and Phrases which have been Supposed to be Peculiar to the United States of America," Boston, 1816]
runic (adj.)youdaoicibaDictYouDict
1660s, from Modern Latin runicus, from Old Norse run (see rune).
runnel (n.)youdaoicibaDictYouDict
"rivulet," 1570s, in Hakluyt, alteration of Middle English ryneil, from Old English rinelle, rynel, a diminutive of ryne "a stream" (see run (n.)) with -el (2).
runner (n.)youdaoicibaDictYouDict
c. 1300, "messenger on foot," agent noun from run (v.). Meaning "one who runs" is early 14c. Meaning "smuggler" first recorded 1721; sense of "police officer" is from 1771. Meaning "rooting stem of a plant" is from 1660s; that of "embroidered cloth for a table" is from 1888.
runner-up (n.)youdaoicibaDictYouDict
1842, originally in dog racing, "dog that loses only the final race;" see runner + up. General sense is from 1885.
running (n.)youdaoicibaDictYouDict
Old English ærning, verbal noun from run (v.); to be in (or out) of the running "among" (or "not among") "the lead competitors in a race" (1863) is a metaphor from horse racing, where make the running "set the pace" is recorded from 1837. Running shoe is from 1884.
running (adj.)youdaoicibaDictYouDict
present participle adjective from run (v.). Running mate originally was a horse entered in a race to set the pace for another from the same stable who was intended to win (1865); U.S. vice-presidential sense is recorded from 1888. Running dog first recorded 1937, from Chinese and North Korean communist phrases used to describe supposed imperialist lackeys, such as Mandarin zou gou "running dog," on the notion of a dog that runs at its master's command. Running board first attested 1817, in reference to ships and boats; 1907 of cars and trucks.
runny (adj.)youdaoicibaDictYouDict
1817, from run (v.) + -y (2).
RunnymedeyoudaoicibaDictYouDict
place in Surrey where the Magna Charta was signed, Middle English Ronimede, literally "meadow on the council island," from Old English runieg "council island," from run in sense of "council" (see rune).
runoff (n.)youdaoicibaDictYouDict
also run-off, "precipitation water drained by streams and rivers," 1887, from run (v.) + off (adv.). Meaning "deciding race after a tie" is from 1873; electoral sense is attested by 1910, American English.
runt (n.)youdaoicibaDictYouDict
c. 1500, "old or decayed tree stump," of unknown origin. Meaning extended to "small ox or cow" (1540s) and by 1610s generally to undersized animals and people. Specific American English sense of "smallest of a litter" (especially of pigs) is attested from 1841. Some see a connection to Middle Dutch runt "ox," but OED thinks this unlikely, and pronounces the word "of obscure origin." Related: Runty (1807).
runway (n.)youdaoicibaDictYouDict
"customary track of an animal," especially a deer, 1833, American English, from run (v.) + way (n.). Meaning "artificial sloping track" is attested from 1883; airfield sense is from 1923.
rupee (n.)youdaoicibaDictYouDict
Indian coin, 1610s, from Hindi or Urdu rupiyah, from Sanskrit rupyah "wrought silver," perhaps originally "something provided with an image, a coin," from rupah "shape, likeness, image."
RupertyoudaoicibaDictYouDict
masc. proper name, probably a blend of German Ruprecht and English Robert.
rupture (n.)youdaoicibaDictYouDict
late 14c., originally medical, from Latin ruptura "the breaking (of an arm or leg), fracture," from past participle stem of rumpere "to break," from PIE *reup- "to snatch" (see rip (v.)). Specifically as "abdominal hernia" from early 15c.
rupture (v.)youdaoicibaDictYouDict
1739, from rupture (n.). Related: Ruptured; rupturing. Ruptured duck (1945) was U.S. GI's dismissive term (based on its design) for the discharge button they were awarded.