ἐμπαιδοτριβέω

From LSJ

πικρὸν με ἀπαιτεῖς ἐνοίκιον → you ask too much of me, you demand a bitter rent from me

Source

Spanish (DGE)

instruir, educar en c. dat., en v. pas. τῇ ὀρχήστρᾳ D.C.77.21.2, βίβλοις ἱεραῖς I.BI 2.159.