毎まい夜よ

noun, adverb

every night; every evening

Used as a noun or adverb to indicate something happens each night. Slightly more formal than 毎晩 (まいばん).

• 彼かれは毎まい夜よ、日にっ記きを書かいている。

  He writes in his diary every night.

• 毎まい夜よの習しゅう慣かんとして、寝ねる前まえに本ほんを読よむ。

  As a nightly habit, I read a book before bed.