ἐμβατταρίζω
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
Spanish (DGE)
ponerse a balbucear, balbucear ἀδιανοήτοις τισὶν ἐμβατταρίζων τὴν φλυαρίαν ἐξέτεινεν poniéndose a balbucear con sonidos ininteligibles, prolongó la insensatez Gr.Nyss.Eun.2.329.