ἀπτολίεθρος
From LSJ
ἡ γὰρ σιωπὴ τοῖς σοφοῖσιν ἀπόκρισις → silence, you see, is an answer for the wise (Menander)
Greek (Liddell-Scott)
ἀπτολίεθρος: -ον, = ἄπολις, Γρηγ. Ναζ. ᾨδ. 8. 11.
Spanish (DGE)
-ον de pers. que no tiene ciudad Gr.Naz.M.37.1347A.