| 1 | Old English | beorg | mountain, hill; mound, heap of stones, barrow;... |
| 2 | Old English | beorgan | to save, deliver; to preserve, guard, fortify,... |
| 3 | Proto-Germanic | berganą | to take care of; to preserve, to keep; to... |
| 4 | Proto-Indo-European | bʰerǵʰ- | to rise; high, lofty; hill, mountain |