Where does “подтверждаться” come from?
подтверждаться (Russian) comes from Russian подтвержда́ть, from Russian подтверди́ть, from Russian твёрдый, from Old East Slavic твьрдъ, from Proto-Slavic tvьrdъ, from Proto-Balto-Slavic *twírˀtas, from Proto-Indo-European twerH- — to enclose, fence in; to grab, seize; to stir.
подтверждаться (Russian): to prove true, to be confirmed; passive of...
Definitions
- to prove true, to be confirmed; passive of...
Ancestry of “подтверждаться”, step by step