[bivargen]

And on a tangent to a tangent: The Old norse word for ‘boat’ is usually ‘bátr’, not the expected inherited ‘beitr’. The former is a loanword from Anglo-saxon and the inherited ’beitr’ is only found in poetry. While anecdotal, it is interesting that a culture so associated with seafaring as the viking-age Scandinavia borrowed the word for boat.