三みっ日か三み夜よ

expression

three days and three nights

A set phrase emphasizing a continuous period of three full days and nights. Often used in storytelling or dramatic contexts.

• 彼かれは三みっ日か三み夜よ、眠ねむらずに働はたらいた。

  He worked for three days and three nights without sleeping.

• 三みっ日か三み夜よの雨あめで川かわが氾はん濫らんした。

  The river flooded after three days and three nights of rain.