ἀπαιδευσία
From LSJ
τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
English (LSJ)
Ion. -ιή, ἡ,
A want of education, Democr.212, Pl.R. 514a, al.; μετὰ ἀπαιδευσίας Th.3.42; δι' ἀπαιδευσίαν Arist.Rh.1356a29; δι' ἀ. τῶν ἀναλυτικῶν Id.Metaph.1005b3, cf. 1006a6; ἀ. πλούτου ἐστὶ τὸ νεόπλουτον εἶναι Id.Rh.1391a17. 2 stupidity, Pl.Grg.527e, al., Aeschin.1.144; ἀπαιδευσίᾳ ὀργῆς from bigotry of passion, Th.3.84.
German (Pape)
[Seite 275] ἡ, Mangel an Erziehung u. Bildung, Thuc. 3, 42. 84 u. Folgde; καὶ κακὴ τροφή Plat. Rep. VIII, 552 e; καὶ ἀπειρία Hipp. mai. 293 d; ἀπαιδευσίαν ὁμολογεῖν, = ἰδιώτης εἶναι, Luc. Nigr. 24.