Where does “подтверди́ть” come from?

подтверди́ть (Russian) comes 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.

подтверди́ть (Russian): to confirm, to corroborate, to bear out, to endorse, to ratify, to verify

Definitions

  1. to confirm, to corroborate, to bear out, to endorse, to ratify, to verify

Ancestry of “подтверди́ть”, step by step

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

Words derived from “подтверди́ть”

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