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
Phoebēĭus: a, um, v. Phoebus, A.
Phœbēiŭs, a, um, m. v. Phoebus 1.