noun, takes genitive case の

  1. (at a rate of) once a month.

noun

  1. 10 percent monthly interest.

Variations

Pronunciation Kanji Kana Is Common
月一 つきいち
月1 つきいち

Contained Kanji Breakdown

month, moon
つき ゲツ ガツ (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)