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crony [crony 词源字典]: crony: [17] Crony originated as a piece of Cambridge university slang. Originally written chrony, it was based on Greek khrónios ‘longlasting’, a derivative of khrónos ‘time’ (source of English chronicle, chronology, chronic, etc), and seems to have been intended to mean ‘friend of long-standing’, or perhaps ‘contemporary’. The first recorded reference to it is in the diary of Samuel Pepys, a Cambridge man: ‘Jack Cole, my old school-fellow … who was a great chrony of mine’, 30 May 1665.
=> chronic, chronicle, chronology[crony etymology, crony origin, 英语词源]
quilt: quilt: [13] The ultimate source of quilt is Latin culcita ‘mattress’, which passed into English via Old French cuilte. Its function gradually evolved from that of a mattress for lying on to that of a coverlet for lying under. A long-standing characteristic of such quilts is that their stuffing is held in place by cross-stitching. This does not emerge as a distinct meaning of the verb quilt (‘sew padded cloth in a crisscross pattern’) until the mid-16th century, but it is reflected in the medieval Latin term culcita puncta ‘pricked mattress’ – that is, a mattress that has been stitched.

This passed into English via Old French as counterpoint, which was subsequently altered, by association with pane ‘panel’, to counterpane [17].
=> counterpane
supersede: supersede: [15] Etymologically, to supersede something is to ‘sit above’ it, hence to ‘be above’ it or ‘desist’ from doing it. The word comes via Old French superseder from Latin supersedēre ‘desist from’, a compound verb formed from the prefix super- ‘above’ and sedēre ‘sit’ (source of English sedentary, session, etc).

It carried the sense ‘desist from’ with it into English (‘I could not see, but your both majesties must supersede and give place to your ardent appetites, in concluding of the said marriage’, State Papers of Henry VIII 1527), but this gradually evolved via ‘set aside’ to ‘take the place of something set aside’. The word is frequently spelled supercede, as if it came from Latin cēdere ‘go’, and there are long-standing historical precedents for this, going back via Old French superceder to medieval Latin supercēdere.
=> sedentary, session
ancient (adj.): mid-14c., auncyen, from Old French ancien "old, long-standing, ancient," from Vulgar Latin *anteanus, literally "from before," adjectivization of Latin ante "before, in front of, against" (from PIE *anti "against," locative singular of *ant- "front, forehead;" see ante). The parasitic -t dates from 15c. by influence of words in -ent.

Specifically, in history, "belonging to the period before the fall of the Western Roman Empire" (and contrasted with medieval and modern). In English law, "from before the Norman Conquest." Ancient of Days is from Dan. vii:9. Related: Anciently.
longstanding: also long-standing, c. 1600 (n.), 1814 (adj.), from long (adj.) + standing.
masturbation (n.): 1711 (earlier as mastupration, 1620s), from French masturbation and directly from Modern Latin masturbationem (nominative masturbatio), noun of action from past participle stem of Latin masturbari "to masturbate." The long-standing speculation is that this Latin word is altered (probably by influence of turbare "to stir up") from *manstuprare, from manu, ablative of manus "hand" (see manual) + stuprare "defile" (oneself), from stuprum "defilement, dishonor," related to stupere "to be stunned, stupefied" (see stupid). But perhaps the first element represents an unattested *mazdo- "penis" [OED]. An earlier technical word for this was Onanism. Related: Masturbational.