eternamente
From LSJ
Ὦ τύμβος, ὦ νυμφεῖον, ὦ κατασκαφὴς οἴκησις αἰείφρουρος, οἷ πορεύομαι πρὸς τοὺς ἐμαυτῆς → Tomb, bridal chamber, eternal prison in the caverned rock, whither I go to find mine own.
Spanish > Greek
ἀγενήτως, ἀεί, ἀενάως, ἀθανάτως, αἰανῶς, ἀϊδίως, αἰωνίως, ἀκαταλύτως, ἀκαταπαύστως, ἀπαύστως, ἀτελευτήτως, ἀφθάρτως, ἀφθίτως, διαιωνίως