苔むす こけむす to become covered in moss Meanings also 苔生す godan verb, intransitive to become covered in moss; to become mossy; to grow over with moss to become aged; to grow old Its kanji 苔 タイ · こけ、こけら moss, lichen In sentences Furigana 転ころがる石こくに苔こけむさず。 A rolling stone gathers no moss. #2294453