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
dēpraesentĭārum: adv. formed after the analogy of impraesentiarum,
I at present, now (only in the foll. passages), Petr. 58, 3; 74, 17.