- against (adv.)
![youdao](/etym/ico/youdao.ico)
![iciba](/etym/ico/iciba.ico)
![Dict](/etym/ico/haici.ico)
[against 词源字典] - early 12c., agenes "in opposition to," a southern variant of agen "again" (see again), with adverbial genitive. The parasitic -t turned up mid-14c. and was standard by early 16c., perhaps from influence of superlatives.[against etymology, against origin, 英语词源]