Where does “motion” come from?

motion (Middle French) comes from Latin mōtio, from Latin movēre, from Proto-Indo-European *m(y)ewh₁-.

Ancestry of “motion”, step by step

Step	Language	Word	Meaning
1	Latin	mōtio	—
2	Latin	movēre	—
3	Proto-Indo-European	*m(y)ewh₁-	—