Where does “kāsus” come from?

kāsus (Latvian) comes from Proto-Balto-Slavic kās-, from Proto-Indo-European kʷās- — cough, to cough; to cough.

Ancestry of “kāsus”, step by step

StepLanguageWordMeaning
1Proto-Balto-Slavickās-—
2Proto-Indo-Europeankʷās-cough, to cough; to cough

Words derived from “kāsus”

Every word from Proto-Indo-European kʷās- →Every word from Proto-Balto-Slavic kās- →
kāsus — Etymology, Origin & Word History | Etymology Explorer