cruenter
From LSJ
τοῖς οἰκείοις βουλεύμασιν ἁλίσκεσθαι → hoist by one's own petard, hoist with one's own petard, hoist on one's own petard, hoisted by one's own petard, be hoist with one's own petard
Latin > English (Lewis & Short)
crŭenter: adv., v. cruentus. b.
Latin > French (Gaffiot 2016)
crŭenter, cruellement : Apul. M. 3, 3.