βυρσεύω
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
English (LSJ)
A dress hides, tan, Hsch. s.v. σκυλοδέψιος.
German (Pape)
[Seite 468] Leder zurichten, gerben, Hesych.
Spanish (DGE)
curtir ἵνα βυρσεύσας δέρματα χιτῶνας ἐργάσηται Epiph.Const.Anc.62, cf. Hsch.s.u. σκυλόδεψος.