Where does “лютость” come from?

лютость (Russian) comes from Russian лю́тый, from Old East Slavic лютъ, from Proto-Slavic ľutъ — harsh, cruel, severe.

лютость (Russian): fierceness, ferocity

Definitions

  1. fierceness, ferocity

Ancestry of “лютость”, step by step

StepLanguageWordMeaning
1Russianлю́тыйheartless, cruel; angry, furious
2Old East Slavicлютъ—
3Proto-Slavicľutъharsh, cruel, severe
Every word from Proto-Slavic ľutъ →Every word from Old East Slavic лютъ →Every word from Russian лю́тый →