出典:Wiktionary
From Middle English wiþerwine, witherwin, from 古期英語 wiþerwinna (“opponent, rival, adversary, enemy”), from Proto-West Germanic *wiþrawinnō, equivalent to wither- (“against”) + win (“to struggle”). Cognate with Old High German widarwinno, Middle High German widerwinne.
witherwin (複数形 witherwins)