ἀπωστέον
From LSJ
Ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → It is impossible to know the spirit, thought, and mind of any man before he be versed in sovereignty and the laws
English (LSJ)
A one must reject, E.HF294.
Greek (Liddell-Scott)
ἀπωστέον: ῥημ. ἐπίθ., πρέπει τις νὰ ἀπωθήσῃ, νὰ ἀπορρίψῃ, Εὐρ. Ἡρ. Μαιν. 294.