μαρτυροποιέω
From LSJ
τὸ γὰρ πράττειν τοῦ λέγειν καὶ χειροτονεῖν ὕστερον ὂν τῇ τάξει, πρότερον τῇ δυνάμει καὶ κρεῖττόν ἐστιν (Demosthenes 3.15) → for action, even though posterior in the order of events to speaking and voting, is prior in importance and superior
English (LSJ)
A produce evidence, PLips.40 iii 14 (iv/v A.D.), Gloss.: —also in Med., call to witness, Corn.ND16. II mostly in Med., testify, certify on oath, IG9(1).61.8 (Daulis, ii A.D.), Mitteis Chr.242.3 (ii A.D.), Sammelb.5217.20 (ii A.D.), etc.
