英语词汇involution的起源、历史背景-英语词源词典

词汇	involution
词源	involution n. late 14c., "condition of being twisted or coiled; a fold or entanglement," originally in anatomy, from Late Latin involutionem (nominative involutio) "a rolling up," noun of action from past participle stem of Latin involvere "envelop, surround, roll into" (see involve). Related: Involutional. Entries linking to involution involve v. late 14c., "envelop, surround; make cloudy or obscure," from Old French involver and directly from Latin involvere "envelop, surround, overwhelm," literally "roll into," from in- "in" (from PIE root en "in") + volvere "to roll," from PIE root wel- (3) "to turn, revolve." Mid-15c. as "concern oneself." Sense of "take in, include" first recorded c. 1600. Related: Involved; Involving. Obscurest night involved the sky, The Atlantic billows roared, [Cowper, "The Castaway"] updated on December 31, 2015
随便看	melodramatic melody melon melpomene melrose melt meltdown melter melungeon melvin member membership membral membrane membranous meme memento memento mori memo memoir memoirs memorabilia memorability memorable memorandum

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involution n.