←
Old English rōþor (inherited)
←
Old English rōwan (cognate)
←
Middle English rodder (inherited)
←
Middle English rother (mention)
←
Middle English ruder (mention)
←
Proto-Germanic *rōþrą (inherited)
←
Proto-Germanic *-þrą (inherited)
←
Proto-Germanic *-þraz (mention)
←
Proto-West Germanic *rōþr (inherited)
←
Proto-Indo-European *h₁reh₁- (derived)
→
Luxembourgish Rudder (cognate)
→
Norwegian Bokmål ror (link)
→
Saterland Frisian Ruur (cognate)