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conker [conker 词源字典]: conker: [19] A conker was originally a ‘snail shell’. Small boys tied them on to pieces of string and played a game involving trying to break their opponent’s shell (another method of playing was simply to press two shells together and see which one broke). The first record of the use of horse chestnuts instead of snail shells is from the 1880s, but in the succeeding century this has established itself as the word’s sole application.

It is not entirely clear where it originally came from. The connection with molluscs has inevitably suggested a derivation from conch (itself ultimately from Greek kónkhē), but early 19th-century spellings of the game as conquering, and of conker as conqueror, point to a simpler explanation, that the stronger snail shell defeated, or ‘conquered’, the weaker.
[conker etymology, conker origin, 英语词源]
quango: quango: [20] Quango is an acronym created probably in the late 1960s to refer, in a none too complimentary way, to an administrative body hovering in the grey area between public accountability and private control. It is commonly explained as being based on the initial letters of quasi-autonomous national government organization, but there is no actual evidence for that unwieldy phrase before the mid-1970s, by which time the acronym was already going strong. A more plausible source is the simpler quasi-nongovernmental organization, which was around in the late 1960s.
agape (n.): c. 1600, from Greek agape "brotherly love, charity," from agapan "greet with affection, love," which is of unknown origin. Agape was used by early Christians for their "love feast" held in connection with the Lord's Supper. In modern use, often in simpler sense of "Christian love" (1856, frequently opposed to eros as "carnal or sensual love").
ameliorate (v.): 1728, perhaps a back-formation from amelioration on pattern of French améliorer. The simpler form meliorate was used in Middle English. Related: Ameliorated; ameliorating.
demotic (adj.): 1822, from Greek demotikos "of or for the common people, in common use," from demos "common people," originally "district," from PIE *da-mo- "division," from root *da- "to divide" (see tide). In contrast to hieratic. Originally of the simpler of two forms of ancient Egyptian writing; broader sense is from 1831; used of Greek since 1927.
Occam's razor: when two competing hypotheses explain the data equally well, choose the simpler. Or, as Sir William Hamilton puts it, "Neither more, nor more onerous, causes are to be assumed, than are necessary to account for the phenomena." Named for English philosopher William of Ockham or Occam (c. 1285-c. 1349), who expressed it with Entia non sunt multiplicanda praeter ncccssitatem.
So called after William of Occam (died about 1349): but, as a historical fact, Occam does not make much use of this principle, which belongs rather to the contemporary nominalist William Durand de St. Pourçain (died 1332). [Century Dictionary]
reduction (n.): early 15c., "a restoring to a former state; a subjugation" (of a people, etc.), from Middle French reducion (13c., Modern French réduction) and directly from Latin reductionem (nominative reductio) "a leading back, restoration," noun of action from past participle stem of reducere (see reduce). Meaning "diminution, a lessening" is from 1670s; chemical sense of "reversion to a simpler form" is from 1660s.
resolution (n.): late 14c., "a breaking into parts," from Old French resolution (14c.) or directly from Latin resolutionem (nominative resolutio) "process of reducing things into simpler forms," from past participle stem of resolvere "loosen" (see resolve). Sense of "a solving" (as of mathematical problems) first recorded 1540s, as is that of "power of holding firmly" (compare resolute). Sense of "decision or expression of a meeting" is from c. 1600. Meaning "effect of an optical instrument" is from 1860. New Year's resolutions in reference to a specific intention to better oneself is at least from 1780s, and through 19c. generally of a pious nature.
simplify (v.): 1650s, from French simplifier "to make simpler" (15c.), from Medieval Latin simplificare "to simplify," from Latin simplex "simple" (see simplex) + root of facere "to make" (see factitious). Meaning "to make easier to do" is from 1759. Related: Simplified; simplifying.
stand (v.): Old English standan "occupy a place; stand firm; congeal; stay, continue, abide; be valid, be, exist, take place; oppose, resist attack; stand up, be on one's feet; consist, amount to" (class VI strong verb; past tense stod, past participle standen), from Proto-Germanic *sta-n-d- (cognates: Old Norse standa, Old Saxon and Gothic standan, Old High German stantan, parallel with simpler forms, such as Swedish stå, Dutch staan, German stehen [see discussion in OED]), from PIE root *sta- "to stand" (see stet).

Sense of "to exist, be present" is attested from c. 1300. Meaning "encounter without flinching" is from 1590s; weaker sense of "put up with" is from 1620s. Meaning "to submit" (to chances, etc.) is from c. 1700. Meaning "to pay for as a treat" is from 1821. Meaning "become a candidate for office" is from 1550s. Nautical sense of "hold a course at sea" is from 1620s. Meaning "to be so high when standing" is from 1831.

Stand back "keep (one's) distance" is from c. 1400. Phrase stand pat is from poker (1882), earlier simply stand (1824 in other card games). To stand down is from 1680s, originally of witnesses in court; in the military sense of "come off duty" it is first recorded 1916. To let (something) stand is from c. 1200. To stand for is c. 1300 as "count for;" early 14c. as "be considered in lieu of;" late 14c. as "represent by way of sign;" sense of "tolerate" first recorded 1620s. Phrase stands to reason (1620) is from earlier stands (is constant) with reason.