Where does “бдительность” come from?

бдительность (Russian) comes from Russian бди́тельный, from Russian бдеть, from Old East Slavic бъдѣти, from Proto-Slavic bъděti, from Proto-Balto-Slavic budḗˀtei, from Proto-Indo-European bʰewdʰ- — to be awake, be aware.

бдительность (Russian): vigilance, watchfulness

Definitions

  1. vigilance, watchfulness

Ancestry of “бдительность”, step by step

StepLanguageWordMeaning
1Russianбди́тельныйvigilant, watchful
2Russianбдетьto be awake, not sleep; to keep watch, to keep...
3Old East Slavicбъдѣтиto be awake
4Proto-Slavicbъdětito be awake
5Proto-Balto-Slavicbudḗˀteito be awake
6Proto-Indo-Europeanbʰewdʰ-to be awake, be aware
Every word from Proto-Indo-European bʰewdʰ- →Every word from Proto-Balto-Slavic budḗˀtei →Every word from Proto-Slavic bъděti →