ἐπιμαρτύρεσθαι
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπιμαρτύρομαι): conjure, invoke, call in as witness, call on as witness, call on, call to witness, call upon
