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
ŏb-ortus: a false read. for odores, Lucr. 4, 218; v. Lachm. ad h. l.
ŏb-ortus: a, um, Part., from oborior.
ŏbortus, part. de oborior.