←
Middle Dutch rou (inherited)
←
Middle Dutch raeu (mention)
←
Middle Dutch roo (mention)
←
Proto-Germanic *hrawaz (inherited)
←
Proto-West Germanic *hrau (inherited)
←
Proto-Indo-European *krewh₂- (derived)
←
Old Dutch *rao (inherited)
←
Old Dutch *rō (mention)
→
Afrikaans rou (inherited)
→
Luxembourgish réi (cognate)