οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
βαδίζω, διαπεράω, ἀρτῶμαι, ἀνατέλλω, ἐκπορεύω, εἴσειμι, ἀνάγω, ἀπέρχομαι, ἀναφέρω