ἐπικουρεῖν

From LSJ

τούτου μὲν τοῦ ἀνθρώπου ἐγὼ σοφώτερός εἰμι → I am wiser than this man

Source

Lexicon Thucydideum

auxilio venire, to come to aid, 1.49.7, 5.23.3, 7.57.10.