Where does “грѧсти” come from?

грѧсти (Old East Slavic) comes from Proto-Slavic gręsti, from Proto-Indo-European gʰrHdʰ-.

Ancestry of “грѧсти”, step by step

StepLanguageWordMeaning
1Proto-Slavicgręstito go
2Proto-Indo-EuropeangʰrHdʰ-—
Every word from Proto-Indo-European gʰrHdʰ- →Every word from Proto-Slavic gręsti →