Where does “Aetnae” come from?

Aetnae (Latin) comes from Latin Aetna, from Ancient Greek αἴθω, from Proto-Hellenic *áitʰō — to ignite.

Ancestry of “Aetnae”, step by step

StepLanguageWordMeaning
1LatinAetnaAetna nymph in Sicily
2Ancient GreekαἴθωTo ignite, kindle, light; To burn, blaze
3Proto-Hellenic*áitʰōto ignite
Every word from Proto-Hellenic *áitʰō →Every word from Ancient Greek αἴθω →Every word from Latin Aetna →