τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
subrŏgātĭō, ōnis, f., subrogation, substitution : Ambr. Ep. 13, 2.
subrogātio, ōnis, f. (subrogo), die Wahl an die Stelle eines anderen, die Nachwahl, Ambros. epist. 13, 2.