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German Hirn
← Proto-Germanic *hirzniją (inherited)
← Middle High German hirne (inherited)
← Middle High German hërne (mention)
← Old High German hirni (inherited)
← Proto-Indo-European *ḱerh₂s- (derived)

→ Danish hjerne (cognate)
→ German Gehirn (prefix)
→ German Hirnkoralle (compound)
→ German Hirnstamm (affix)
→ German Mittelhirn (affix)
→ German Hirnhaut (mention)
→ German Hirnschale (compound)
→ German Hirnaktivität (compound)
→ German Hirnschädel (compound)
→ German Hirngespinst (affix)
→ German hirnlos (suffix)
→ German hirntot (compound)
→ German Dummhirn (compound)
→ German hirnen (affix)
→ German hirnverbrannt (affix)
→ German Hirnblutung (compound)
→ German Hirntod (compound)
→ German Hirnwurm (compound)
→ Luxembourgish Hier (cognate)
→ Pennsylvania German Hann (cognate)