Where does “бодрствование” come from?

бодрствование (Russian) comes from Russian бодрствовать, from Russian бо́дрство, from Russian бо́дрый, from Old East Slavic бъдръ, from Proto-Slavic bъ̀drъ, from Proto-Balto-Slavic budras, from Proto-Indo-European bʰudʰros, from Proto-Indo-European bʰewdʰ- — to be awake, be aware.

бодрствование (Russian): wakefulness, vigil, arousal, keeping wake

Definitions

  1. wakefulness, vigil, arousal, keeping wake

Ancestry of “бодрствование”, step by step

StepLanguageWordMeaning
1Russianбодрствоватьto stay awake; to keep vigil
2Russianбо́дрствоvivacity
3Russianбо́дрыйcheerful
4Old East Slavicбъдръ—
5Proto-Slavicbъ̀drъalert, cheerful
6Proto-Balto-Slavicbudras—
7Proto-Indo-Europeanbʰudʰrosalert, aware
8Proto-Indo-Europeanbʰewdʰ-to be awake, be aware
Every word from Proto-Indo-European bʰewdʰ- →Every word from Proto-Indo-European bʰudʰros →Every word from Proto-Balto-Slavic budras →