Disadvantage
来自Big Physics
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late Middle English: from Old French desavantage, from des- (expressing reversal) + avantage ‘advantage’.
wiktionary
From Middle English disavauntage, from Old French desavantage.
etymonline
disadvantage (n.)
late 14c., disavauntage, "loss, injury, prejudice to interest," from Old French desavantage (13c.), from des- "not, opposite of" (see dis-) + avantage "advantage, profit, superiority" (see advantage). Meaning "that which prevents success or renders it difficult" is from 1520s.
disadvantage (v.)
"hinder, do something disadvantageous to," 1530s, from disadvantage (n.). Related: Disadvantaged; disadvantaging.
