συγκατέχω

A. keep together with, αὑτῷ Pl. Cra. 404a.
II. help in seizing, τῷ Κύλωνι τὴν ἀκρόπολιν Lib. Decl. 22.33; help in holding down, Tab.Defix.Aud. 156.44 (Rome, iv/v A.D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project