παλιμφυής
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)
ές,
A growing again, of the hydra, Luc.Am.2.
German (Pape)
[Seite 449] ές, wieder wachsend; κάρηνα Λέρνης τῆς παλιμφυοῦς Luc. amor. 2; Nonn., wieder belebt.