συγκατέχω
From LSJ
περὶ ἀλόγων γραμμῶν καὶ ναστῶν → on incommensurable lines and solids
English (LSJ)
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.).
German (Pape)
[Seite 966] (s. ἔχω) mit oder zugleich an- oder festhalten, Plat. Crat. 404. a u. Sp.