Where does “твердь” come from?
твердь (Russian) comes from Old East Slavic твьрдь, from Proto-Slavic tvьrdь — citadel, firmament.
твердь (Russian): dry land, earth; firmament
Definitions
- dry land, earth; firmament
Ancestry of “твердь”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old East Slavic | твьрдь | — |
| 2 | Proto-Slavic | tvьrdь | citadel, firmament |