νηπύτιος
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)
ὁ, Ep. Dim. of νήπιος,
A little child, μηκέτι ταῦτα λεγώμεθα νηπύτιοι ὥς Il.13.292; νηπύτιον ὥς 20.200; once in Ar., ν. γάρ ἐστ' ἔτι Nu.868. II as Adj., childish, ἐπέεσσί γε νηπυτίοισιν Il.20.211; foolish, [βροτοί] Orph.L.6.