Where does “glasrudh” come from?
glasrudh (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.
glasrudh (Cornish): purple, bluish red
Ancestry of “glasrudh”, step by step