Where does “*onъ” come from?

*onъ (Proto-Slavic) comes from Proto-Balto-Slavic anas, from Proto-Indo-European h₂en — there.

Ancestry of “*onъ”, step by step

StepLanguageWordMeaning
1Proto-Balto-Slavicanasthat over there, yonder
2Proto-Indo-Europeanh₂enthere

Words derived from “*onъ”

Every word from Proto-Indo-European h₂en →Every word from Proto-Balto-Slavic anas →