συνδιαβιβάζω
From LSJ
εἰργάζοντο λογάδην φέροντες λίθους καὶ ξυνετίθεσαν ὡς ἕκαστόν τι ξυμβαίνοι → they went to work bringing the stones as they picked them out and put them together as each one happened to fit
English (LSJ)
causal of συνδιαβαίνω,
A carry through or over together, Pl.Lg.892e, X.HG6.2.10; help to convey across, τὴν στρατιάν Plu.Luc. 4.
German (Pape)
[Seite 1007] mit oder zugleich durch- od. überführen; Plat. Legg. X, 892 e; τὴν στρατιάν, Plut. Lucull. 4.