συνδιοικέω
From LSJ
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
A administer together, Is.7.9, Plb.6.11a.7; ἀγῶνα Milet.1(7).203a17 (ii B.C.); τινι with one, D.24.160; bring about together with, μετὰ τῆς πρες βείας, ὅπως . . SIG353.5 (Ephesus, iv B.C.):—Med., παρὰ τῶν πρυτάνεων, ὅπως . . Thphr.Char.21.11 (s.v.l.):—Pass., share the advantage of, τὰ φυτὰ τῇ [τῶν μεγάλων δενδρῶν] -ούμενα στερεότητι Sor.1.96.
German (Pape)
[Seite 1008] mit od. zugleich verwalten, anordnen, τινί, mit Einem; Is. 7, 9; Dem. 24, 160.