οὐδενία
From LSJ
οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
English (LSJ)
or οὐδένεια, ἡ,
A nothingness, worthlessness, Pl.Phdr.235a, Tht.176c, Ephor.137 J., Plb.34.14.3, Ph.1.477, Ael.NA15.13, etc. (Codd. vary, e.g. in Ph. l.c., οὐδένειαν Pap., -ίαν G, οὐθένειαν cett.)