Where does “kaszleć” come from?
kaszleć (Polish) 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.
kaszleć (Polish): to cough
Ancestry of “kaszleć”, step by step