Where does “ruamheirg” come from?

ruamheirg (Irish) comes from Irish rua, from Old Irish rúad, from Proto-Celtic roudos, from Proto-Indo-European h₁rewdʰ- — red.

ruamheirg (Irish): iron deposits in water causing red discoloration

Definitions

  1. iron deposits in water causing red discoloration

Ancestry of “ruamheirg”, step by step

ruamheirg traces back through two separate lines of ancestry.

via Irish rua

StepLanguageWordMeaning
1Irishruared; reddish-brown, russet, copper brown; wild,...
2Old Irishrúadred, reddish
3Proto-Celticroudosred
4Proto-Indo-Europeanh₁rewdʰ-red

via Irish meirg

StepLanguageWordMeaning
1Irishmeirgrust
2Old Irishmeirc—
3Proto-Celtic*mergīrust
4Proto-Indo-Europeanmerǵ-edge, boundary, border; boundary, border;...
Every word from Proto-Indo-European h₁rewdʰ- →