embattle (v.)youdaoicibaDictYouDict[embattle 词源字典]
late 14c., "prepare for a fight," from Old French embataillier "to prepare for battle," from assimilated form of en- (see en- (1)) + bataille (see battle (n.)). Related: Embattled; embattling. Originally of armies; of individuals as well since 1590s (first attested in Spenser).[embattle etymology, embattle origin, 英语词源]