Where does “тъ” come from?

тъ (Old East Slavic) comes from Proto-Slavic *tъ, from Proto-Balto-Slavic tas, from Proto-Indo-European só — this; that.

тъ (Old East Slavic): that

Definitions

  1. that

Ancestry of “тъ”, step by step

StepLanguageWordMeaning
1Proto-Slavic*tъ—
2Proto-Balto-Slavictasthat
3Proto-Indo-Europeansóthis; that

Words derived from “тъ”

Every word from Proto-Indo-European só →Every word from Proto-Balto-Slavic tas →Every word from Proto-Slavic *tъ →