moisissait

form-of imperfect indicative singular third-person

moisirの三人称単数過去未完了直説法

English Meaning

third-person singular imperfect indicative of moisir

Le vieux mur moisissait lentement sous l'humidité constante de l'hiver.

古い壁は冬の絶え間ない湿気の下でゆっくりとカビが生えていた。

The old wall was slowly becoming moldy under the constant humidity of winter.