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
κλεψιμαχῶ, -έω (Μ)
μάχομαι κρυφά.
[ΕΤΥΜΟΛ. < κλεψι- + μαχῶ (< -μάχος < μάχη), πρβλ. μονομαχώ, ξιφομαχώ].