köken: Borrowed from Latin Aetna, from either Ancient Greek Αἴτνη (Aítnē, “Aetna”) or αἴθω (aíthō, “to burn”), or from a Sicanian dialect Italic base *aith-na (“fiery one”), all from Proto-Indo-European *h₂eydʰ- (“burn; fire”).
köken: Latin Aetna, in turn from either Ancient Greek Αἴτνη (Aítnē, “Aetna”) or αἴθω (aíthō, “to burn”), or from a Sicanian dialect Italic base *aith-na (“fiery one”), all from Proto-Indo-European *ai-dh, from *h₂eydʰ- (“burn; fire”).
köken: From New Latin ethnicum (“ethnic group”), from ethnicus (“ethnic”), from Ancient Greek ἐθνικός (ethnikós, “of a nation”), from ἔθνος (éthnos, “nation”).
Aetna (nymph in Sicily) · Aetna (an ancient city in Sicily, in modern Italy, situated at the foot of Mount Etna)
köken: From Ancient Greek Αἴτνη (Aítnē, “Aetna”) or αἴθω (aíthō, “to burn”), or from a Sicanian dialect Italic base *aith-na (“fiery one”), all from Proto-Indo-European *ai-dh, from *h₂eydʰ- (“burn; fire”). Cognate with aestus (“hot”), aestās (“summer”).