ἐμμειδιάω
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
A smile in, ὀφθαλμοῖς καὶ παρειαῖς Philostr.Ep.51; to be glad at, πρὸς τὰ ἴχνη, of hounds, X.Cyn.4.3.
German (Pape)
[Seite 808] dabei lächeln, Xen. Cyn. 4, 3 u. Sp.