Where does “rótaslag” come from?

rótaslag (Faroese) comes from Faroese slag, from Old Norse slag, from Proto-Germanic slagiz, from Proto-Germanic slahaną, from Proto-Indo-European slak- — to hit; strike; to hit, strike, throw; to hit,...

rótaslag (Faroese): specific root vegetable, type of root vegetable;...

Definitions

specific root vegetable, type of root vegetable;...

Ancestry of “rótaslag”, step by step

rótaslag traces back through two separate lines of ancestry.

via Faroese slag

Step	Language	Word	Meaning
1	Faroese	slag	A hit; punch; A cardiac stroke; A battle between...
2	Old Norse	slag	—
3	Proto-Germanic	slagiz	blow, strike
4	Proto-Germanic	slahaną	to hit, to strike; to kill
5	Proto-Indo-European	slak-	to hit; strike; to hit, strike, throw; to hit,...

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 slak- →Every word from Proto-Germanic slahaną →Every word from Proto-Germanic slagiz →