Westrobothnian fjahl

← Proto-Germanic *ferþuz (inherited)

← Westrobothnian havfjöl (link)

← Westrobothnian bökufjal (link)

← Westrobothnian bröfjal (link)

← Proto-Indo-European *pértus (inherited)

← Old Norse fjǫrðr (inherited)

← Old Norse fjǫl (inherited)