Where does “оуста” come from?

оуста (Old Church Slavonic) comes from Proto-Slavic ustà, from Proto-Indo-European h₃éh₁os — mouth.

оуста (Old Church Slavonic): mouth

Definitions

  1. mouth

Ancestry of “оуста”, step by step

StepLanguageWordMeaning
1Proto-Slavicustàlips, mouth
2Proto-Indo-Europeanh₃éh₁osmouth
Every word from Proto-Indo-European h₃éh₁os →Every word from Proto-Slavic ustà →