- impugn
[impugn 词源字典]
- impugn: see pugnacious
[impugn etymology, impugn origin, 英语词源] - impugn (v.)
- "attack by argument," late 14c., from Old French impugner, from Latin impugnare "to assault, to attack," from assimilated form of in- "into, in, on, upon" (see in- (2)) + pugnare "to fight" (see pugnacious). Related: Impugned; impugning.