Where does “vitleysa” come from?

vitleysa (Icelandic) comes from Old Norse vitleysa, from Old Norse vit, from Proto-Germanic wit, from Proto-Germanic *wet, from Proto-Indo-European wéy, from Proto-Indo-European éǵh₂ — I.

vitleysa (Icelandic): nonsense, rubbish, twaddle

Definitions

nonsense, rubbish, twaddle

Ancestry of “vitleysa”, step by step

Step	Language	Word	Meaning
1	Old Norse	vitleysa	madness
2	Old Norse	vit	first-person dual pronoun
3	Proto-Germanic	wit	Alternative form of *wet
4	Proto-Germanic	*wet	—
5	Proto-Indo-European	wéy	we
6	Proto-Indo-European	éǵh₂	I

Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European wéy →Every word from Proto-Germanic *wet →