προασκέω

A. train or exercise before, τοὺς ἐπιγιγνομένους Isoc. 4.75: c. gen., τὴν ἕξιν προήσκησαν ἡμῶν, i.e. πρὸ ἡμῶν, Arist. Metaph. 993b14, cf. J. BJ 4.2.1.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project