Cornish dowr

← Proto-Brythonic *duβr (inherited)

← Proto-Celtic *dubros (inherited)

← Proto-Indo-European *dʰewbʰ- (root)

← Proto-Indo-European *dʰubʰrós (inherited)

→ Welsh dŵr (cognate)

→ Cornish dowrgi (compound)

→ Cornish dowrgeun (compound)