ὀνειδιστέον
From LSJ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
one must reproach, τινι Pl.Lg.689c, Ph. 2.305.
Greek (Liddell-Scott)
ὀνειδιστέον: ῥηματ. ἐπίθετ. τοῦ ὀνειδίζω, δεῖ ὀνειδίζειν, τινὶ Πλάτ. Νόμ. 689C.