Where does “oratour” come from?

oratour (Old French) comes from Latin orator, from Latin orare, from Latin oro, from Latin os, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.

Ancestry of “oratour”, step by step

StepLanguageWordMeaning
1Latinoratoran orator, speaker; a spokesman, spokesperson; an...
2Latinorarepresent active infinitive of ōrō; second-person...
3LatinoroI orate, deliver a speech; I plead, beg; I pray,...
4Latinosmouth; face, appearance, head; speech
5Proto-Italicōsmouth
6Proto-Indo-Europeanh₃ésth₁bone

Words derived from “oratour

Every word from Proto-Indo-European h₃ésth₁Every word from Proto-Italic ōsEvery word from Latin os