ōrra

We’re on sentence 6 of the Babel text:

il aþ ñi λi ārōn rā āke tō sema mo sarōña jamāonre nīkan jakōnōr ja ōrra ñatta;

ōrra is a past tense marker denoting completion.

“And then the Lord went there to see the city and the tower that they had built.”