διαχαίνω
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
German (Pape)
[Seite 613] aus einander klaffen, den Mund öffnen; διακεχηνυῖα, Plut. sol. an. 30; διαχανόντες, 23.