虫むし気け

noun

nervous weakness; nervous debility

An old-fashioned term for a condition of nervous weakness or debility, often attributed to 'worms' or internal parasites in traditional Japanese medicine. Rare in modern usage.

• 昔むかしの人ひとは、原げん因いん不ふ明めいの衰すい弱じゃくを「虫むし気け」と呼よんだ。

  In the past, people called unexplained weakness 'mushike'.