Where does “*haidu” come from?

*haidu (Proto-West Germanic) comes from Proto-Germanic haiduz, from Proto-Indo-European (s)kayt-.

Ancestry of “*haidu”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	haiduz	manner, way; personality, character; appearance
2	Proto-Indo-European	(s)kayt-	—

*haidu — Etymology, Origin & Word History | Etymology Explorer