χαλκόμυια
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)
ἡ,
A a fly of bright metallic hue, ingredient of an eye-salve, Aët.7.100.
German (Pape)
[Seite 1331] ἡ, eine Fliegenart von grün schimmernder Metallfarbe, Sp.
Greek (Liddell-Scott)
χαλκόμυια: ἡ, μυῖα ἔχουσα λαμπρὸν μεταλλικὸν χρῶμα, Βυζ.