internecivus
From LSJ
ἐξ ὀνύχων λέοντα τεκμαίρεσθαι → judge by the claws, judge by a slight but characteristic mark, small traits give the clue to the character of a person, deduce something from a small indication, identify a lion from its claws
Latin > French (Gaffiot 2016)
internĕcīvus¹⁴ (-nĭcīvus), a, um, qui aboutit au carnage, très meurtrier : Cic. Phil. 14, 7 || internecivum bellum Liv. 9, 25, 9, guerre à mort, sans merci.
