olvido
From LSJ
ὄρνιθι γὰρ καὶ τὴν τότ᾽ αἰσίῳ τύχην παρέσχες ἡμῖν → for it was by a good omen that you provided that past fortune to us
Spanish > Greek
ἐγκατάλειψις, ἀμνημοσύνη, ἀμνημονία, ἀπομάθησις, ἀμνησία, ἀμνηστία, ἔκλησις, ἀπομάθημα, ἀναχώρησις