| 1 | New Latin | Bavaria | — |
| 2 | Medieval Latin | Baioaria | — |
| 3 | Latin | Boiuvarii | — |
| 4 | Proto-Germanic | warjaz | defender; inhabitant; citizen |
| 5 | Proto-Germanic | warjaną | to ward off, to defend against; to thwart, to... |
| 6 | Proto-Indo-European | wēr- | true |
| 7 | Proto-Indo-European | wer- | to burn; to cover, heed, notice; squirrel |