月げっ経けい前ぜんMeaningsNo-adjective1. premenstrualOther readings月げっ経けい前まえKanji used月moon経Buddhist scripture前in front ofComposed of月げっ経けいmenstruation; menstrual periodNoun前ぜんlast (i.e. immediately preceding); previous; ex-; former; pre- (e.g. premodern); beforePrefix