πτωκάς
From LSJ
οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
English (LSJ)
άδος, ἡ, (πτώξ, πτώσσω)
A timorous, πτωκάσιν αἰθυίῃσι Hom. Epigr.8.2; π. κύπειρος crouching, low, Simm.12. II pl. as Subst., timorous ones, i.e. birds, S.Ph.1093 (lyr., dub.l.).