Where does “Hirnstamm” come from?

Hirnstamm (German) comes from German Stamm, from Middle High German stam, from Old High German stam, from Proto-Germanic stamnaz, from Proto-Indo-European *steh₂-.

Hirnstamm (German): brain stem

Definitions

  1. brain stem

Ancestry of “Hirnstamm”, step by step

Hirnstamm traces back through two separate lines of ancestry.

via German Stamm

StepLanguageWordMeaning
1GermanStammtree trunk, main stem of a plant but never used of thin stalks or twigs
2Middle High Germanstam—
3Old High Germanstam—
4Proto-Germanicstamnaz—
5Proto-Indo-European*steh₂-—

via German Hirn

StepLanguageWordMeaning
1GermanHirnbrain
2Middle High Germanhirne—
3Old High Germanhirnibrain
4Proto-West Germanic*hirʀnībrain
Every word from Proto-Indo-European *steh₂- →Every word from Proto-Germanic stamnaz →Every word from Old High German stam →