Where does “grytunderlägg” come from?

grytunderlägg (Swedish) comes from Swedish underlägg, from Swedish lägg, from Old Swedish lægger, from Old Norse leggr, from Proto-Germanic lagjaz, from Proto-Indo-European (ǝ)lak-.

grytunderlägg (Swedish): a hot coaster, a trivet

Definitions

a hot coaster, a trivet

Ancestry of “grytunderlägg”, step by step

grytunderlägg traces back through two separate lines of ancestry.

via Swedish underlägg

Step	Language	Word	Meaning
1	Swedish	underlägg	a coaster, a mat
2	Swedish	lägg	a leg; knuckle, shin, hand; part of a leg of an...
3	Old Swedish	lægger	leg; rootstock
4	Old Norse	leggr	leg, stem
5	Proto-Germanic	lagjaz	leg, thigh
6	Proto-Indo-European	(ǝ)lak-	—

via Swedish gryta

Step	Language	Word	Meaning
1	Swedish	gryta	pot; a cooking-vessel; stew; a kind of dish
2	Old Swedish	gryta	—
3	Old Norse	grýta	—

Every word from Proto-Indo-European (ǝ)lak- →Every word from Proto-Germanic lagjaz →Every word from Old Norse leggr →