←
Proto-Germanic *sunuz (inherited)
←
Westrobothnian sɑɳ (link)
←
Westrobothnian sân (link)
←
Westrobothnian sån (link)
←
Westrobothnian sa (link)
←
Proto-Indo-European *suHnús (inherited)
←
Old Norse síðan (inherited)
←
Old Norse sonr (inherited)
→
Westrobothnian far (link)