Where does “устлать” come from?
устлать (Russian) comes from Russian стлать, from Proto-Slavic stьlati, from Proto-Indo-European stel- — to put, to place; to locate.
Ancestry of “устлать”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | стлать | to spread, to lay, to make |
| 2 | Proto-Slavic | stьlati | to spread |
| 3 | Proto-Indo-European | stel- | to put, to place; to locate |