こけむす
kokemusu

Godan Verb (su)

1. to become covered in moss; to become mossy; to grow over with moss

Intransitive
転石 てんせき こけむさず。
tenseki kokemusazu.
A rolling stone gathers no moss.
Godan Verb (su)

2. to become aged; to grow old

Intransitive
Other forms: