repugnatorius
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
Latin > English (Lewis & Short)
rĕpugnātōrĭus: a, um, adj. id.,
I of or pertaining to resistance, defensive: res, means of defence, Vitr. 10, 22.
Latin > French (Gaffiot 2016)
rĕpugnātōrĭus, a, um, qui sert à défendre, de défense [en t. de guerre] : Vitr. Arch. 10, 22.