ἀγνόημα
From LSJ
ὤμοι, πέπληγμαι καιρίαν πληγὴν ἔσω → Alas! I am struck deep with a mortal blow! | Ah me! I am struck—a right-aimed stroke within me (Aeschylus, Agamemnon 1343)
English (LSJ)
τό,
A fault of ignorance, oversight, ψυχῆς Gorg.Hel. 19, ἀ. ἕτερον προσαγνοεῖν Thphr.HP9.4.8, cf. D.S.1.1, Hipparch. 1.3.11, LXX To.3.3, Ep.Heb.9.7; in pl., opp. ἁμαρτήματα, PTeb.5.3 (ii B. C.). II ignorance, περί τινος Str.7.2.4. III object of ἄγνοια, Dam.Pr.7.
