mouthwash
noun
- rinse for oral hygiene or cosmetic purposes
Wiktionary
noun
Etymology: Etymology tree English mouth Proto-Indo-European *wed- Proto-Indo-European *-sḱéti Proto-Indo-European *wodsḱéti Proto-Germanic *waskaną Proto-West Germanic *waskan Old English wascan Middle English wasshen English wash English mouthwash From mouth + wash.
- A liquid used to clean one's mouth.
verb
Etymology: Etymology tree English mouth Proto-Indo-European *wed- Proto-Indo-European *-sḱéti Proto-Indo-European *wodsḱéti Proto-Germanic *waskaną Proto-West Germanic *waskan Old English wascan Middle English wasshen English wash English mouthwash From mouth + wash.
- To clean one's mouth with mouthwash.