Where does “Ruaghagain” come from?

Ruaghagain (Scottish Gaelic) comes from Scottish Gaelic ruadh, from Old Irish rúad, from Proto-Celtic roudos, from Proto-Indo-European h₁rewdʰ- — red.

Ancestry of “Ruaghagain”, step by step

StepLanguageWordMeaning
1Scottish Gaelicruadhred, auburn; redheaded
2Old Irishrúadred, reddish
3Proto-Celticroudosred
4Proto-Indo-Europeanh₁rewdʰ-red

Words derived from “Ruaghagain”

Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Celtic roudos →Every word from Old Irish rúad →