κεστροφυλακέω
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)
v. κεστροφύλαξ.
Greek (Liddell-Scott)
κεστροφυλακέω: εἰμὶ κεστροφύλαξ, φυλάττω τοὺς κέστρους, Ἐπιγρ. Ἀθηνῶν, CIA, ΙΙΙ. 735, 736.