ἀναγωνίζομαι

From LSJ

ψυχῶν σοφῶν φροντιστήριον → thought-shop of wise souls

Source

Spanish (DGE)

luchar, combatir por la fe ἐὰν ἔχῃ ἀναγωνίσασθαι καὶ ποιήσῃ θαύματα Io.Iei.Serm.M.88.1932D.