| 1 | Old Norse | herr | crowd, great number; host; army, host, troops |
| 2 | Proto-Norse | ᚺᚨᚱᛃᚨ | army leader; commander; warrior |
| 3 | Proto-Germanic | harjaz | army; army leader; commander; warrior |
| 4 | Proto-Indo-European | kóryos | war; troops; army; war, troops |
| 5 | Proto-Indo-European | ḱer- | to grow, to make grow, to nourish; to plait,... |
| 6 | Proto-Indo-European | kr̥- | to turn, to bend |
| 7 | Proto-Indo-European | ker- | army |