ἐκδιδάσκω · ekdidaskō — LSJ
teach thoroughly, have another taught, having learnt
teach thoroughly, τινά Sapph. 71, Th. 6.80, Pl. Prt. 328e, etc.; ἐ. πάνθʼ ὁ γηράσκων χρόνος A. Pr. 981; λέγʼ ἐκδίδασκε ib. 698, etc.; ἐ. τινά τι Pi. l.c., S. OC 1539, Antipho 5.14, Theoc. 6.40:—Med., have another taught, of the parents, Hdt. 2.154, E. Med. 295, Pl. Ep. 360e:—Pass., c. inf., S. Tr. 1110, etc.; αἰσχροῖς γὰρ αἰσχρὰ πράγματʼ ἐκδιδάσκεται Id. El. 621; ὄψʼ ἐκδιδαχθεὶς τῶν κατʼ οἶκον.. having learnt too late from those at home, Id. Tr. 934.
2 to teach, to be
c. acc. pers. et inf., to teach one to be so and so, εἶναι κακήν Id. El. 395, cf. Ant. 298; ἐπιθυμεῖν (sc. αὐτοὺς) ἐξεδίδαξα Ar. Ra. 1026: with inf. omitted, γενναίους ἐ. ib. 1019.
3 explain, expound
explain, expound, ἐ. ὡς.. Hdt. 4.118, S. OT 1370: abs., ἐ. σαφῶς Com.Adesp. 14.9 D.