Where does “rùdhan” come from?

rùdhan (Scottish Gaelic) 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.

rùdhan (Scottish Gaelic): small peat stack around 3-6 set out to dry, with a

Definitions

small peat stack around 3-6 set out to dry, with a

Ancestry of “rùdhan”, step by step

Step	Language	Word	Meaning
1	Cornish	rudh	red
2	Middle Cornish	ruth,ruyth	—
3	Old Cornish	rud	—
4	Proto-Brythonic	rrʉð	red
5	Proto-Celtic	roudos	red
6	Proto-Indo-European	h₁rewdʰ-	red

Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Celtic roudos →Every word from Proto-Brythonic rrʉð →