The story
- Scottish Gaelic · derived fromtùs f“nice smell, incense”
- English todaytussie-mussie
From Scottish Gaelic tùs f (“nice smell, incense”) and debatable second part, a mere reduplication, or mùsg (“musk”) for a moschate flower, or mùisear (“primrose”).
Etymology from Wiktionary, CC BY-SA 4.0.