| 1 | Latin | exoneratus | exonerated |
| 2 | Latin | exonero | I unload, discharge; I exonerate |
| 3 | Latin | onero | I burden, lade, load; I overwhelm, weary,... |
| 4 | Latin | onus | burden, load; cargo, freight |
| 5 | Proto-Indo-European | h₃énh₂os | load; burden |
| 6 | Proto-Indo-European | h₃enh₂- | to onerate; to charge |