συγκαθῆσθαι
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
Greek > English (Woodhouse Verbs Reversed)
(see also κάθημαι): meet for discussion, sit together, sit with others
