Where does “тъщь” come from?
тъщь (Old Church Slavonic) comes from Proto-Slavic tъščь, from Proto-Balto-Slavic tuskjas, from Proto-Indo-European tews-, from Proto-Indo-European tu- — to swell; bird-cry, shriek.
тъщь (Old Church Slavonic): empty; hollow
Ancestry of “тъщь”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | tъščь | hollow |
| 2 | Proto-Balto-Slavic | tuskjas | empty |
| 3 | Proto-Indo-European | tews- | to be empty; to drain; to be happy |
| 4 | Proto-Indo-European | tu- | to swell; bird-cry, shriek |