Where does “hering” come from?

hering (German) comes from Latin haringus, from Frankish hāring, from Proto-Germanic hēringaz, from Proto-Germanic hērą, from Proto-Indo-European keres- — rough hair, bristle.

Ancestry of “hering”, step by step

Step	Language	Word	Meaning
1	Latin	haringus	—
2	Frankish	hāring	herring
3	Proto-Germanic	hēringaz	herring
4	Proto-Germanic	hērą	hair
5	Proto-Indo-European	keres-	rough hair, bristle

Every word from Proto-Indo-European keres- →

hering — Etymology, Origin & Word History | Etymology Explorer