Where does “elektromos autó” come from?

elektromos autó (Hungarian) comes from Hungarian autó, from German Auto, from German automobil, from Spanish automóvil, from Russian автомоби́ль, from French automobile, from French auto-, from Ancient Greek αὐτο- — Postpositional intensifying particle: indeed, at any rate, in fact.

elektromos autó (Hungarian): electric car

Definitions

electric car

Ancestry of “elektromos autó”, step by step

elektromos autó traces back through two separate lines of ancestry.

via Hungarian autó

Step	Language	Word	Meaning
1	Hungarian	autó	auto, automobile, car
2	German	Auto	car
3	German	automobil	automobile
4	Spanish	automóvil	automobile
5	Russian	автомоби́ль	car, automobile, motorcar
6	French	automobile	automotive; automobile
7	French	auto-	auto- regarding oneself
8	Ancient Greek	αὐτο-	self-
9	Ancient Greek	αὐτός	αὐτή f, αὐτό n; "first/second declension";...
10	Proto-Indo-European	h₂ew	away from, off; again
11	Proto-Indo-European	ǵʰe	Postpositional intensifying particle: indeed, at any rate, in fact

via Hungarian elektromos

Step	Language	Word	Meaning
1	Hungarian	elektromos	electric, electrical; the electric power supplier...
2	Latin	ēlectrum	amber
3	Ancient Greek	ἤλεκτρον	amber; alloy of gold and silver, electrum

Every word from Proto-Indo-European ǵʰe →Every word from Proto-Indo-European h₂ew →Every word from Ancient Greek αὐτός →