Meaning

noun machine that converts other forms of energy into mechanical energy and so imparts motion

noun a nonspecific agent that imparts motion

verb travel or be transported in a vehicle

originEtymology tree Proto-Indo-European *m(y)ewh₁-der. Proto-Italic *moweō Latin moveō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin mōtorder. Middle English motour English motor From Middle English motour (“controller, prime mover; God”), from Latin mōtor (“mover; that which moves something”), from mōtō (“to set in motion”).

Etymology from Wiktionary, CC BY-SA 3.0