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
διαβήμεναι: Επικ. αντί διαβῆναι, αόρ. βʹ του διαβαίνω.
