Where does “стьзꙗ” come from?

стьзꙗ (Old East Slavic) comes from Proto-Slavic stьdza, from Proto-Balto-Slavic stiga, from Proto-Indo-European stigʰ-eh₂.

Ancestry of “стьзꙗ”, step by step

StepLanguageWordMeaning
1Proto-Slavicstьdzapath
2Proto-Balto-Slavicstiga—
3Proto-Indo-Europeanstigʰ-eh₂—
Every word from Proto-Indo-European stigʰ-eh₂ →Every word from Proto-Balto-Slavic stiga →Every word from Proto-Slavic stьdza →