| 1 | Middle English | warenne | warren; The privilege of setting up such a zone |
| 2 | Anglo-Norman | warenne | Alternative form of garenne |
| 3 | Old French | garenne | warren |
| 4 | Old French | guarir | to protect; to save; to cure; to heal |
| 5 | Frankish | warjan | to fend off; to stop, thwart; to fend for,... |
| 6 | Proto-West Germanic | waʀjan | to clothe |
| 7 | Proto-Germanic | warjaną | to ward off, to defend against; to thwart, to... |
| 8 | Proto-Indo-European | wēr- | true |
| 9 | Proto-Indo-European | wer- | to burn; to cover, heed, notice; squirrel |