Where does “быстрота” come from?

быстрота (Russian) comes from Russian бы́стрый, from Old East Slavic быстрыи, from Proto-Slavic bystrъ, from Proto-Indo-European bʰūsro-.

быстрота (Russian): quickness rapidity of movement or activity

Definitions

  1. quickness rapidity of movement or activity

Ancestry of “быстрота”, step by step

StepLanguageWordMeaning
1Russianбы́стрыйfast, quick, speedy, rapid
2Old East Slavicбыстрыи—
3Proto-Slavicbystrъquick; penetrating, transparent
4Proto-Indo-Europeanbʰūsro-—
Every word from Proto-Indo-European bʰūsro- →Every word from Proto-Slavic bystrъ →Every word from Old East Slavic быстрыи →