οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
ἀπόδοσις, κατανόησις, σχόλιον, ἀπολογισμός, τράνωμα, λόγος, ἑρμηνεία, ἐξήγησις