μαθητεύω
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
A to be pupil, τινι to one, Plu.2.832c. II trans., make a disciple of, instruct, πάντα τὰ ἔθνη Ev.Matt.28.19, cf. Act.Ap.14.21:—Pass., Ev.Matt.13.52.