明めいを失うしなう

expression, godan verb (-u)

lose one's eyesight; go blind

Rare, literary expression. The kanji 明 is used in its classical meaning of 'sight' or 'vision'. In modern Japanese, 視力を失う or 失明する are far more common.

• 彼かれは病やまいのために明めいを失うしなった。

  He lost his eyesight due to illness.