Where does “ónus” come from?

ónus (Portuguese) comes from Latin onus, from Proto-Italic *onos — load, burden.

ónus (Portuguese): onus

Definitions

  1. onus

Ancestry of “ónus”, step by step

StepLanguageWordMeaning
1Latinonusburden, load; cargo, freight
2Proto-Italic*onosload, burden
Every word from Proto-Italic *onos →Every word from Latin onus →
ónus — Etymology, Origin & Word History | Etymology Explorer