Old Irish dobur

← Proto-Celtic *dubros (inherited)

← Proto-Indo-European *dʰewbʰ- (root)

← Proto-Indo-European *dʰubʰrós (derived)

← Middle Welsh dwfyr (cognate)

→ German Tauber (cognate)

→ Irish dobhrán (mention)

→ Irish dobhar (inherited)

→ Irish dobhar (inherited)

→ Scottish Gaelic dòbhran (mention)

→ Manx dooarchoo (mention)

→ Old Irish doburchú (affix)