Definition of 夷を以て夷を制す (いをもっていをせいす)

もっせい

夷を以て夷を制す

いをもっていをせいす

iwomotteiwoseisu

expression
to control foreigners by foreigners, to play one barbarian state against another
Related Kanji
barbarian, savage, Ainu
by means of, because, in view of, compared with
system, law, rule