English

electrorotation

From electro- + rotation.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Proto-Indo-European *Hreth₂- ‘to run’

…

Proto-Italic *rotā

Latin rota ‘wheel’

Latin rotō ‘to turn, trend, wheel, roll, swing about,…’

Latin rotātiō

Today it means

noun The rotation of an electrically polarized particle

Language periods are conventional ranges, not dates for this word.

Etymograph / electrorotation