←
Proto-Germanic *wranhō (inherited)
←
Proto-Germanic *rōwō (inherited)
←
Proto-Germanic *rōaną (inherited)
←
Westrobothnian oro (link)
←
Westrobothnian roli (link)
←
Proto-Indo-European *h₁reh₁- (derived)
←
Old Norse ró (inherited)
←
Old Norse vrá (inherited)
←
Old Norse ró (inherited)
←
Old Norse róa (inherited)
→
Westrobothnian roli (affix)
→
Westrobothnian roskåp (compound)