Where does “Aetna” come from?

Aetna comes from Latin Aetna, borrowed from Ancient Greek Αἴτνη, a name of uncertain origin referring to the famous Sicilian volcano.

Ancestry of “Aetna”, step by step

Step	Language	Word	Meaning
1	Latin	Aetna	—
2	Ancient Greek	αἴθω	To ignite, kindle, light; To burn, blaze
3	Proto-Hellenic	*áitʰō	—