συνδημιουργός
From LSJ
ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
English (LSJ)
ὁ,
A fellow-workman, Pl. Lg.671d. II Dor. συνδᾱμιοργοί, τοί, fellow-δαμιοργοί, of magistrates in Locris, IG9(1).335 (V B.C.).
German (Pape)
[Seite 1006] mit verfertigend, Mitschöpfer, Miturheber, τῶν νόμων Plat. Legg. II, 671 d.