Where does “odour” come from?

odour (Anglo-Norman) comes from Old French odor, from Latin odor, from Latin odōs, from Proto-Italic odōs, from Proto-Indo-European h₃édos, from Proto-Indo-European h₃ed- — to smell, stink; to hate; to bite.

Ancestry of “odour”, step by step

StepLanguageWordMeaning
1Old Frenchodorsmell
2LatinodorA smell, perfume, stench; Inkling, suggestion
3Latinodōs
4Proto-Italicodōs
5Proto-Indo-Europeanh₃édos
6Proto-Indo-Europeanh₃ed-to smell, stink; to hate; to bite

Words derived from “odour

Every word from Proto-Indo-European h₃ed-Every word from Proto-Indo-European h₃édosEvery word from Proto-Italic odōs