Where does “herichun” come from?

herichun (Old French) comes from Vulgar Latin ericio, from Latin ēricius, from Proto-Indo-European ǵʰḗr, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.

Ancestry of “herichun”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	ericio	dative singular of ēricius; ablative singular of...
2	Latin	ēricius	hedgehog
3	Proto-Indo-European	ǵʰḗr	hedgehog
4	Proto-Indo-European	ǵʰer-	to yearn for; to enclose; bowels, intestines

Every word from Proto-Indo-European ǵʰer- →Every word from Proto-Indo-European ǵʰḗr →Every word from Latin ēricius →