Where does “оно” come from?

оно (Old Church Slavonic) comes from Proto-Slavic ono, from Proto-Indo-European h₂en — there.

оно (Old Church Slavonic): it; nominative/accusative singular neuter of онъ

Definitions

  1. it; nominative/accusative singular neuter of онъ

Ancestry of “оно”, step by step

StepLanguageWordMeaning
1Proto-Slaviconoit, that; neuter of *onъ; neuter of *onъ
2Proto-Indo-Europeanh₂enthere
Every word from Proto-Indo-European h₂en →Every word from Proto-Slavic ono →
оно — Etymology, Origin & Word History | Etymology Explorer