οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
obstrĭgillo: or obstringillo, āvi, ātum, 1, v. a. obstringo,
I to hinder, oppose, impede (ante-class.): restitant, occurrunt, obstant, obstringillant, obigitant, Enn. ap. Non. 147, 10: innocenti, Varr. ib.: multa (al. obsigillant), Sen. Ep. 115, 6.