Welsh gordd

← Breton horzh (cognate)

← Proto-Brythonic *orð (inherited)

← Proto-Celtic *ordos (inherited)

← Latin Ordovices (mention)

← Old Breton ord (cognate)

← Old Irish ord (cognate)

← Middle Welsh orð (inherited)

← Old Armenian ուռն (cognate)

→ Welsh trefgordd (compound)

→ Irish ord (cognate)

→ Scottish Gaelic òrd (cognate)

→ Latin Ordovices (cognate)