Where does “затверде́ть” come from?

затверде́ть (Russian) comes from Russian тверде́ть, 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.

затверде́ть (Russian): to harden

Definitions

  1. to harden

Ancestry of “затверде́ть”, step by step

StepLanguageWordMeaning
1Russianтверде́тьto harden
2Russianтвёрдыйhard, solid; firm; steadfast, steady
3Old East Slavicтвьрдъ—
4Proto-Slavictvьrdъhard, firm, solid
5Proto-Balto-Slavic*twírˀtashard, firm, solid
6Proto-Indo-EuropeantwerH-to enclose, fence in; to grab, seize; to stir

Words derived from “затверде́ть”

Every word from Proto-Indo-European twerH- →Every word from Proto-Balto-Slavic *twírˀtas →Every word from Proto-Slavic tvьrdъ →