Wendempu,            une      lingie             adga       una        
As-the-time.gen.s.m  one.s.f  language.n.acc.s.f -and-      one.s.n
As-of-the-time,      a        language           AND        a

flabuitum             teilaja             alzeis            denadozum
speak.ger.acc.s.neut  shared.adj.acc.p.n  all.adj.nom.p.m   the-people.n.nom.p.m
speaking              common              all               of-the-peoples

habuirud.
have.3rd.act.ind.past.p
they-had

Lit. "Now all of the peoples (of the world) had a common language and a common speech."