Where does “tъ” come from?
tъ (Proto-Slavic) comes from Proto-Balto-Slavic tas, from Proto-Indo-European só — this; that.
tъ (Proto-Slavic): this, that
Ancestry of “tъ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Balto-Slavic | tas | that |
| 2 | Proto-Indo-European | só | this; that |