Where does “бесстрастно” come from?

бесстрастно (Russian) comes from Russian бесстра́стный, from Russian страсть, from Proto-Slavic strastь, from Proto-Slavic -tь, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

бесстрастно (Russian): impassively; short neuter singular of...

Definitions

  1. impassively; short neuter singular of...

Ancestry of “бесстрастно”, step by step

StepLanguageWordMeaning
1Russianбесстра́стныйimpassive, passionless, unimpassioned
2Russianстрастьpassion; obsession
3Proto-Slavicstrastьemotional burden, pain; passion, strong emotion;...
4Proto-Slavic-tьDeverbative, creates nouns denoting act, state,...
5Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tisEvery word from Proto-Slavic -tьEvery word from Proto-Slavic strastь