αὐτόροφος
From LSJ
οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
English (LSJ)
ον,
A self-covered, roofed or vaulted by nature, πέτρα Opp. H.1.22; καλάμων σκηναί D.H.1.79; αὐ. στέγη a natural roof, Ael. NA16.17.
Greek (Liddell-Scott)
αὐτόροφος: -ον, ἀφ’ ἑαυτοῦ ἐστεγασμένος, ὁ ἀφ’ ἑαυτοῦ ἔχων ὀροφήν, πέτραι Ὀππ. Ἁλ. 1. 22· σκηναὶ· Διον. Ἁλ. 1. 79· αὐτόροφος στέγη, φυσικὴ στέγη, Αἰλ. π. Ζ. 16. 17.