Where does “засомневаться” come from?
засомневаться (Russian) comes from Russian за́-, from Proto-Slavic za- — for.
засомневаться (Russian): to start doubting
Ancestry of “засомневаться”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | за́- | — |
| 2 | Proto-Slavic | za- | for |