Where does “viðlag” come from?

viðlag (Icelandic) comes from Icelandic lag, from Old Norse lág, from Old Norse leggja, from Proto-Germanic lagjaną, from Proto-Indo-European legʰ- — to lie.

viðlag (Icelandic): chorus, refrain

Definitions

chorus, refrain

Ancestry of “viðlag”, step by step

Step	Language	Word	Meaning
1	Icelandic	lag	layer; stratum; tune, song
2	Old Norse	lág	a felled tree; log; lying tree
3	Old Norse	leggja	to lay, place, put; to make, build
4	Proto-Germanic	lagjaną	to lay, to place in a resting position
5	Proto-Indo-European	legʰ-	to lie

Every word from Proto-Indo-European legʰ- →Every word from Proto-Germanic lagjaną →Every word from Old Norse leggja →