γραμματοδιδασκαλεῖον
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)
τό,
A = γραμματεῖον11, Plu.2.712a, al.
German (Pape)
[Seite 504] τό, die Schule, Plut. Symp. 7, 8, 3; Luc.
Greek (Liddell-Scott)
γραμμᾰτοδῐδασκαλεῖον: τό, = γραμματεῖον 4, Πλούτ. 2. 712Α.