Where does “oni” come from?

oni (Slovak) comes from Proto-Slavic oni, from Proto-Indo-European h₂en — there.

oni (Slovak): they

Definitions

  1. they

Ancestry of “oni”, step by step

StepLanguageWordMeaning
1Proto-Slaviconithey; masculine plural of *onъ; masculine plural...
2Proto-Indo-Europeanh₂enthere
Every word from Proto-Indo-European h₂en →Every word from Proto-Slavic oni →
oni — Etymology, Origin & Word History | Etymology Explorer