mousse

The story

1. Proto-Germanic · derived from*musą“moss, bog, marsh”
2. Old Dutch · derived from*mosa“moss”
3. Old French · derived frommosse“moss”
4. French · borrowed frommousse“foam, froth”
5. English todaymousse

From French mousse (“foam, froth”), from Old French mosse (“moss”), from Frankish or Old Dutch *mosa (“moss”), from Proto-Germanic *musą (“moss, bog, marsh”). More at moss.

Words from the same roots