Scottish Gaelic ruadh

← Old English rēad (cognate)

← Proto-Celtic *roudos (inherited)

← Welsh rhudd (cognate)

← Ancient Greek ἐρυθρός (cognate)

← Proto-Indo-European *h₁rewdʰ- (derived)

← Sanskrit रुधिर (cognate)

← Old Irish rúad (inherited)

→ English Roy (derived)

→ English Rogen (mention)

→ Scottish Gaelic gille-ruadh (compound)

→ Scottish Gaelic leth-ruadh (prefix)

→ Scottish Gaelic seillean-ruadh (compound)