Where does “poklečěti” come from?

poklečěti (Old Czech) comes from Old Czech klečěti, from Proto-Slavic klęčati, from Proto-Balto-Slavic klenk-.

Ancestry of “poklečěti”, step by step

StepLanguageWordMeaning
1Old Czechklečětito kneel
2Proto-Slavicklęčatito kneel
3Proto-Balto-Slavicklenk-—
Every word from Proto-Balto-Slavic klenk- →Every word from Proto-Slavic klęčati →Every word from Old Czech klečěti →