Where does “kašlati” come from?

kašlati (Old Czech) comes from Proto-Slavic kašьľati, from Proto-Slavic kaš(ь)ľь, from Proto-Balto-Slavic kāˀsulia, from Proto-Balto-Slavic kāˀs-, from Proto-Indo-European kʷeh₂s- — to cough.

Ancestry of “kašlati”, step by step

StepLanguageWordMeaning
1Proto-Slavickašьľatito cough
2Proto-Slavickaš(ь)ľьcough
3Proto-Balto-Slavickāˀsulia—
4Proto-Balto-Slavickāˀs-—
5Proto-Indo-Europeankʷeh₂s-to cough

Words derived from “kašlati”

Every word from Proto-Indo-European kʷeh₂s- →Every word from Proto-Balto-Slavic kāˀs- →Every word from Proto-Balto-Slavic kāˀsulia →