Where does “usturus” come from?

usturus (Latin) comes from Latin uro, from Proto-Italic ouzō, from Proto-Indo-European h₁ews- — to burn.

usturus (Latin): about to burn, inflame

Definitions

  1. about to burn, inflame

Ancestry of “usturus”, step by step

StepLanguageWordMeaning
1LatinuroI burn, consume, inflame; to rage, to ravage
2Proto-Italicouzō—
3Proto-Indo-Europeanh₁ews-to burn
Every word from Proto-Indo-European h₁ews- →Every word from Proto-Italic ouzō →Every word from Latin uro →