Where does “страшно” come from?

страшно (Russian) comes from Russian стра́шный, from Proto-Slavic strašьnъ, from Proto-Slavic straxъ, from Proto-Balto-Slavic strākš-, from Proto-Indo-European (s)treg- — rigid, stiff; to be stiff, rigid, strong.

страшно (Russian): terrifyingly

Definitions

  1. terrifyingly

Ancestry of “страшно”, step by step

StepLanguageWordMeaning
1Russianстра́шныйterrible, scary literally or as an intensifier
2Proto-Slavicstrašьnъterrible
3Proto-Slavicstraxъfear, terror
4Proto-Balto-Slavicstrākš-—
5Proto-Indo-European(s)treg-rigid, stiff; to be stiff, rigid, strong
Every word from Proto-Indo-European (s)treg- →Every word from Proto-Balto-Slavic strākš- →Every word from Proto-Slavic straxъ →