Where does “gellrudh” come from?

gellrudh (Cornish) comes from Cornish rudh, from Middle Cornish ruth,ruyth, from Old Cornish rud, from Proto-Brythonic rrʉð, from Proto-Celtic roudos, from Proto-Indo-European h₁rewdʰ- — red.

gellrudh (Cornish): auburn, russet brown

Definitions

  1. auburn, russet brown

Ancestry of “gellrudh”, step by step

gellrudh traces back through two separate lines of ancestry.

via Cornish rudh

StepLanguageWordMeaning
1Cornishrudhred
2Middle Cornishruth,ruyth—
3Old Cornishrud—
4Proto-Brythonicrrʉðred
5Proto-Celticroudosred
6Proto-Indo-Europeanh₁rewdʰ-red

via Cornish gell

StepLanguageWordMeaning
1Cornishgelllight brown; Soft mutation of kell
2Proto-Celticgello-yellow
3Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Celtic roudos →Every word from Proto-Brythonic rrʉð →