Cadmean victory (n.)youdaoicibaDictYouDict[Cadmean victory 词源字典]
c. 1600, "victory involving one's own ruin," translating Greek Kadmeia nike, from Cadmus (Greek Kadmos), legendary founder of Thebes in Boeotia and bringer of the alphabet to Greece. Probably a reference to the story of Cadmus and the "Sown-Men," who fought each other till only a handful were left alive. Compare Pyrrhic (adj.1).[Cadmean victory etymology, Cadmean victory origin, 英语词源]