←
Proto-Indo-European *ḱerh₂- (inherited)
←
Icelandic hyrna (cognate)
←
Norwegian hyrna (cognate)
←
Old Norse hyrna (cognate)
←
Old Frisian herne (cognate)
→
English Herne (derived)
→
English hern (inherited)
→
English hirn (inherited)
→
English Hearn (derived)
→
Middle English herne (inherited)