成なさしめる

ichidan verb

force to do; compel

Rare literary causative form of なす (成す), meaning 'to make someone do' or 'to force to do'. Found in classical or highly formal writing; in modern Japanese, させる or せしめる are more common.

• 古ふるい文ぶん献けんには「敵てきをして降こう伏ふくを成なさしめる」といった表ひょう現げんが見みられる。

  In old documents, expressions like 'to force the enemy to surrender' can be found.