Etymology Explorer › Old French

Where does “onereus” come from?

onereus (Old French) comes from Latin onerosus, from Latin onus, from Proto-Indo-European h₃énh₂os, from Proto-Indo-European h₃enh₂- — to onerate; to charge.

Ancestry of “onereus”, step by step

StepLanguageWordMeaning
1Latinonerosusburdensome, heavy, oppressive; onerous, irksome
2Latinonusburden, load; cargo, freight
3Proto-Indo-Europeanh₃énh₂osload; burden
4Proto-Indo-Europeanh₃enh₂-to onerate; to charge

Words derived from “onereus”

  • onerous
  • onerously
  • onerousness
  • onerosity
  • onéreux
  • onéreusement
  • onerous
  • onereux
Every word from Proto-Indo-European h₃enh₂- →