ἀπιστία
Etym. ἀπιστέω
I. "disbelief, distrust, mistrust", Hes., Hdt., etc.; ὑπὸ ἀπιστίης μὴ γενέσθαι τι from "disbelief" that it had happened, Hdt.; ἀπιστίαν ἔχειν περί τινος to be "in doubt", Plat.
2. of things, ἐς ἀπιστίην ἀπῖχθαι to have become "discredited", Hdt.; πολλὰς ἀπιστίας ἔχει it admits of many "doubts", Plat.; εἰς ἀπ. καταπίπτειν id=Plat.
II. "want of faith, faithlessness, unbelief", Soph.: "treachery", Xen.