Where does “grayve” come from?

grayve (Middle English) comes from Old Norse greifi, from Middle Low German grēve, from Old High German grāvio, from Proto-West Germanic garāfijō — count; earl; reeve, bailiff.

Ancestry of “grayve”, step by step

Step	Language	Word	Meaning
1	Old Norse	greifi	a count, earl, steward
2	Middle Low German	grēve	—
3	Old High German	grāvio	count, local judge
4	Proto-West Germanic	garāfijō	count; earl; reeve, bailiff

Every word from Proto-West Germanic garāfijō →Every word from Old High German grāvio →Every word from Middle Low German grēve →