1) Of a certain volcano 2) Of a Euro volcano 3) Of a european volcano 4) Of a Sicilian volcano 5) Of a volcano 6) Of a well-known mount Found on https://www.crosswordclues.com/clue/etnean
Et·ne'an adjective [ Latin Aetnaeus , Greek ... , from ... (L. Aetna , Aetne ).] Pertaining to Etna, a volcanic mountain in Sicily. Found on http://www.encyclo.co.uk/webster/E/71