Where does “osłabnąć” come from?

osłabnąć (Polish) comes from Polish słabnąć, from Serbo-Croatian -nac, from Czech co, from Old Czech čso, from Proto-Slavic česo, from Proto-Slavic čь, from Proto-Balto-Slavic ki, from Proto-Indo-European kʷíd — interrogative base.

osłabnąć (Polish): to pine, to weaken

Definitions

  1. to pine, to weaken

Ancestry of “osłabnąć”, step by step

StepLanguageWordMeaning
1Polishsłabnąćto pine, to weaken
2Serbo-Croatian-nac
3Czechcowhat; that; isn't it so, don't you think?
4Old CzechčsoInterrogative pronoun; what
5Proto-Slavicčesowhat (interrogative)
6Proto-Slavicčьwhat; alternative form of *čьto
7Proto-Balto-Slavickiwhat
8Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
9Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
10Proto-Indo-Europeankʷi-interrogative base

Words derived from “osłabnąć

Every word from Proto-Indo-European kʷi-Every word from Serbo-Croatian -nacEvery word from Proto-Indo-European kʷís