Where does “orulus” come from?

orulus (Vulgar Latin) comes from Latin ōra, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.

Ancestry of “orulus”, step by step

StepLanguageWordMeaning
1Latinōraborder, rim, frontier, limit, edge
2Latinōsmouth
3Proto-Italicōsmouth
4Proto-Indo-Europeanh₃ésth₁bone

Words derived from “orulus”

Every word from Proto-Indo-European h₃ésth₁ →Every word from Proto-Italic ōs →Every word from Latin ōs →
orulus — Etymology, Origin & Word History | Etymology Explorer