μυῖα
From LSJ
κακὸς μὲν γὰρ ἑκὼν οὐδείς → no one is voluntarily wicked, no one is voluntarily bad
English (LSJ)
Att. μῦα Thphr.HP3.7.5, Phot.: ἡ:—
A fly, Il.2.469, 4.131, Simon.32, etc.; carrion-fly, bluebottle, Il.19.25,31; gall-insect, Thphr. l.c.: prov., μυίης θάρσος, of excessive boldness, Il.17.570; ἐάν τις . . ὥσπερ μ. πρόσπτηται X.Mem.3.11.5; δειπνεῖν ἄκλητος μ. a fly for coming to dinner uninvited, Antiph.195.7; ἐλέφαντα ἐκ μυίας ποιεῖν 'to make a mountain out of a molehill', Luc.Musc.Enc.12; μυῖα στρατιῶτις, μ. κύων, ibid.; δραίνω μυῖ' ὅσον Herod.1.15. II χαλκῆ μυῖα a game like blindman's-buff, Id.9a, Poll.9.123; cf. μυΐνδα. III used by peasants of bees, Eust.257.6. (Cf. Lith. musià 'fly', Lat. musca, etc.)
