Where does “שטשאַוועל” come from?

שטשאַוועל (Yiddish) comes from Ukrainian щавель, from Proto-Slavic sьčava, from Proto-Slavic sьcati, from Proto-Slavic sьkati, from Proto-Indo-European seykʷ-, from Proto-Indo-European sey- — to be wet; dribble; run; to stretch one's arm;...

Ancestry of “שטשאַוועל”, step by step

StepLanguageWordMeaning
1Ukrainianщавельsorrel, dock plant
2Proto-Slavicsьčavatanning liquor; juice from any plant under the...
3Proto-Slavicsьcatito piss
4Proto-Slavicsьkatito urinate
5Proto-Indo-Europeanseykʷ-to moisten; to filter
6Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Slavic sьkati