Where does “os” come from?

os (French) comes from Middle French os, from Old French os, from Latin ossum, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.

os (French): bone

Definitions

  1. bone

Ancestry of “os”, step by step

os traces back through two separate lines of ancestry.

via Middle French os

StepLanguageWordMeaning
1Middle Frenchosbone
2Old Frenchosbone
3Latinossumbone; kernel, stone
4Latinōsmouth
5Proto-Italicōsmouth
6Proto-Indo-Europeanh₃ésth₁bone

via Latin ossuōsus

StepLanguageWordMeaning
1Latinossuōsusfull of bones

Words derived from “os

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