Where does “մեքենայ” come from?

մեքենայ (Old Armenian) comes from Ancient Greek μηχανή, from Ancient Greek μῆχος, from Proto-Indo-European meǵʰ-.

Ancestry of “մեքենայ”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	μηχανή	contrivance, machine, device, gear; way, means
2	Ancient Greek	μῆχος	means, expedient, remedy
3	Proto-Indo-European	meǵʰ-	—

մեքենայ — Etymology, Origin & Word History | Etymology Explorer