Where does “hjernebark” come from?

hjernebark (Norwegian Bokmål) comes from Norwegian Bokmål hjerne, from Old Norse hjarni, from Proto-Germanic hersô, from Proto-Indo-European ḱerh₂s-, from Proto-Indo-European ḱerh₂- — head, top; horn.

hjernebark (Norwegian Bokmål): cerebral cortex

Definitions

  1. cerebral cortex

Ancestry of “hjernebark”, step by step

hjernebark traces back through two separate lines of ancestry.

via Norwegian Bokmål hjerne

StepLanguageWordMeaning
1Norwegian Bokmålhjernebrain
2Old Norsehjarnithe brain
3Proto-Germanichersôcrown of head
4Proto-Indo-Europeanḱerh₂s-head; hornet
5Proto-Indo-Europeanḱerh₂-head, top; horn

via Norwegian Bokmål bark

StepLanguageWordMeaning
1Norwegian Bokmålbarkbark; a barque or bark
2Old Norsebǫrkrbark
3Proto-Germanicbarkuzbark of a tree
4Proto-Indo-EuropeanbʰerHǵósbirch
Every word from Proto-Indo-European ḱerh₂-Every word from Proto-Indo-European ḱerh₂s-Every word from Proto-Germanic hersô