Where does “lýggjur” come from?

lýggjur (Faroese) comes from Old Norse hlýr, from Proto-Germanic hliwjaz, from Proto-Indo-European ḱal(w)e-.

lýggjur (Faroese): warm

Definitions

Step	Language	Word	Meaning
1	Old Norse	hlýr	cheek; face; The sides of an axe blade, knife,...
2	Proto-Germanic	hliwjaz	lukewarm
3	Proto-Indo-European	ḱal(w)e-	—

lýggjur — Etymology, Origin & Word History | Etymology Explorer