Where does “hërne” come from?

hërne (Middle High German) comes from Old High German hirni, from Proto-West Germanic *hirʀnī — brain.

Ancestry of “hërne”, step by step

StepLanguageWordMeaning
1Old High Germanhirnibrain
2Proto-West Germanic*hirʀnībrain
Every word from Proto-West Germanic *hirʀnī →Every word from Old High German hirni →