Where does “ōs” come from?

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

ōs (Latin): mouth

Definitions

  1. mouth

Ancestry of “ōs”, step by step

ōs traces back through two separate lines of ancestry.

via Proto-Italic ōs

StepLanguageWordMeaning
1Proto-Italicōsmouth
2Proto-Indo-Europeanh₃ésth₁bone

via Proto-Indo-European h₁óh₃s

StepLanguageWordMeaning
1Proto-Indo-Europeanh₁óh₃smouth
2Proto-Indo-Europeanh₁óh₃-s ~ h₁éh₃-s

Words derived from “ōs

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