Where does “guische” come from?

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

guische (Old French): a ruse or deception

Definitions

a ruse or deception

Ancestry of “guische”, step by step

Step	Language	Word	Meaning
1	Old Norse	vizkr	clever, sensible
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 →