Proto-Germanic *hirzniją

→ English harns (inherited)

→ Old English hærn (inherited)

→ German Hirn (inherited)

→ German hjerne (derived(de/da))

→ Middle English hernes (derived)

→ Old High German hirni (inherited)

→ Ancient Greek κάρηνον (cognate)

→ Icelandic hjarni (derived)

→ Luxembourgish Hier (inherited)

→ Dutch hersenen (inherited)

→ Old Norse hjarni (mention)

→ Swedish hjärna (derived)