Where does “hjärnstam” come from?

hjärnstam (Swedish) comes from Swedish hjärna, from Old Norse hjarni, from Proto-Germanic hersô, from Proto-Indo-European ḱerh₂s-, from Proto-Indo-European ḱerh₂- — head, top; horn.

hjärnstam (Swedish): brain stem

Definitions

  1. brain stem

Ancestry of “hjärnstam”, step by step

hjärnstam traces back through two separate lines of ancestry.

via Swedish hjärna

StepLanguageWordMeaning
1Swedishhjärnaa brain; a brain; someone who provides the...
2Old Norsehjarnithe brain
3Proto-Germanichersôcrown of head
4Proto-Indo-Europeanḱerh₂s-head; hornet
5Proto-Indo-Europeanḱerh₂-head, top; horn

via Swedish stam

StepLanguageWordMeaning
1Swedishstamtrunk of a tree; stem; tribe, clan
2Proto-Germanicstamnizstem, tree stalk
3Proto-Indo-European*steh₂-—
Every word from Proto-Indo-European ḱerh₂- →Every word from Proto-Indo-European ḱerh₂s- →Every word from Proto-Germanic hersô →