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coerce [coerce 词源字典]: coerce: [17] The underlying etymological meaning of coerce is ‘restraining’ or ‘confining’. It comes from the Latin compound verb coercēre ‘constrain’, which was formed from the prefix co- ‘together’ and the verb arcēre ‘shut up, ward off’ (possibly a relative of Latin arca ‘chest, box’, from which English gets ark). An earlier, 15th-century, form of the English word was coherce, which came via Old French cohercier.
=> ark[coerce etymology, coerce origin, 英语词源]
charity (n.): mid-12c., "benevolence for the poor," from Old French charité "(Christian) charity, mercy, compassion; alms; charitable foundation" (12c., Old North French carité), from Latin caritatem (nominative caritas) "costliness, esteem, affection" (in Vulgate often used as translation of Greek agape "love" -- especially Christian love of fellow man -- perhaps to avoid the sexual suggestion of Latin amor), from carus "dear, valued," from PIE *karo-, from root *ka- "to like, desire" (see whore (n.)).

Vulgate also sometimes translated agape by Latin dilectio, noun of action from diligere "to esteem highly, to love" (see diligence).
Wyclif and the Rhemish version regularly rendered the Vulgate dilectio by 'love,' caritas by 'charity.' But the 16th c. Eng. versions from Tindale to 1611, while rendering agape sometimes 'love,' sometimes 'charity,' did not follow the dilectio and caritas of the Vulgate, but used 'love' more often (about 86 times), confining 'charity' to 26 passages in the Pauline and certain of the Catholic Epistles (not in I John), and the Apocalypse .... In the Revised Version 1881, 'love' has been substituted in all these instances, so that it now stands as the uniform rendering of agape. [OED]
Sense of "charitable foundation or institution" in English attested by 1690s.
confine (v.): 1520s, "to border on," from Middle French confiner, from confins (n.); see confine (n.). Sense of "keeping within limits" is from 1590s. Related: Confined; confining.
bilboes: "An iron bar with sliding shackles, formerly used for confining a prisoner’s ankles", Mid 16th century: of unknown origin.