Where does “arenque” come from?
arenque (Galician) comes from Old Spanish arenque, from Occitan arenc, from Latin haringus, from Frankish hāring, from Proto-Germanic hēringaz, from Proto-Germanic hērą, from Proto-Indo-European keres- — rough hair, bristle.
arenque (Galician): herring
Ancestry of “arenque”, step by step