←
Old English hyrne (inherited)
←
English heron (mention)
←
Middle English herne (inherited)
←
Middle English hyrne (mention)
←
Middle English hiren (inherited)
←
Middle English hirne (mention)
←
Proto-Indo-European *ḱerh₂- (derived)
←
West Flemish heurn (cognate)
→
English yourn (mention)
→
English her'n (mention)