Where does “покашливание” come from?

покашливание (Russian) comes from Russian пока́шливать, from Russian ка́шлять, 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.

покашливание (Russian): periodic coughing

Definitions

  1. periodic coughing

Ancestry of “покашливание”, step by step

StepLanguageWordMeaning
1Russianпока́шливатьto cough periodically
2Russianка́шлятьto cough
3Proto-Slavickašьľatito cough
4Proto-Slavickaš(ь)ľьcough
5Proto-Balto-Slavickāˀsulia—
6Proto-Balto-Slavickāˀs-—
7Proto-Indo-Europeankʷeh₂s-to cough
Every word from Proto-Indo-European kʷeh₂s- →Every word from Proto-Balto-Slavic kāˀs- →Every word from Proto-Balto-Slavic kāˀsulia →