Where does “reyðrót” come from?

reyðrót (Faroese) comes from Faroese reyður, from Old Norse rauðr, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

reyðrót (Faroese): beetroot

Definitions

beetroot

Ancestry of “reyðrót”, step by step

reyðrót traces back through two separate lines of ancestry.

via Faroese reyður

Step	Language	Word	Meaning
1	Faroese	reyður	red
2	Old Norse	rauðr	red
3	Old English	dūn	hill, down; hill, dune; hill, mountain
4	Proto-Germanic	*dūnā	—
5	Proto-Celtic	dūnom	stronghold, rampart
6	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

via Faroese rót

Step	Language	Word	Meaning
1	Faroese	rót	root
2	Old Norse	rót	root
3	Proto-Germanic	wrōts	root
4	Proto-Indo-European	wréh₂ds	root

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →