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
gĕrŭlum: i, n. gero,I a bearer: cornua potuum gerula, Sol. 20, 5.
