τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
ἰσίκιον, ἴσικος, χορδή, ἀλλᾶς, χόρδευμα, φύσκη