Where does “machina” come from?

machina (Latin) comes from Ancient Greek μαχανά, from Ancient Greek μηχανή, from Ancient Greek μῆχος, from Proto-Indo-European meǵʰ-.

Ancestry of “machina”, step by step

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

machina — Etymology, Origin & Word History | Etymology Explorer