The story
- Proto-Indo-European*Hreth₂-
- Proto-Indo-European*Hróth₂eh₂
- Proto-Italic*rotā
- Latinrota
- Latinrotō
- Latinrotātiō
- English todayrotation
Borrowed from Latin rotātiō. By surface analysis, rotate + -ion.
Etymology from Wiktionary, CC BY-SA 4.0.
rotation
Today it means: The act of turning around a centre or an axis. Full definition →
Latin rotātiō ← Proto-Italic *rotā ← Proto-Indo-European *Hróth₂eh₂