英语词汇loosen的起源、历史背景-英语词源词典

词汇	loosen
词源	loosen v. late 14c., losnen (transitive) "make loose, free from tightness," later lousen (early 15c.), from loose (v.) + -en (1). Intransitive sense of "become loose" is from 1670s. Meaning "limber the muscles before physical effort" is from 1955. Related: Loosened; loosening; loosener. Entries linking to loosen loose v. c. 1200, lousen, "to set free, turn loose," also "undo, untie, unfasten," from loose (adj.). Of arrows from c. 1400. Related: Loosed; loosing. -en 1 word-forming element making verbs (such as darken, weaken) from adjectives or nouns, from Old English -nian, from Proto-Germanic -inojan (also source of Old Norse -na), from PIE adjectival suffix -no-. Most active in Middle English and early modern English, hence most verbs in -en are comparatively recent. updated on August 20, 2016
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loosen v.