apostrophe
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Latin > English (Lewis & Short)
ăpostrŏphē: ēs, f., = ἀποστροφή (a turning away),
I a rhetorical figure, when the speaker turns from the judges or his hearers, and addresses some other person or thing, an apostrophe, Quint. 9, 2, 38; 9, 3, 24; Mart. Cap. 5, p. 171 (e. g. Cic. Lig. 3 sq.; id. Verr. 2, 1, 9 al.).