Where does “гуща” come from?

гуща (Old East Slavic) comes from Proto-Slavic gǫšča, from Proto-Slavic -ja, from Proto-Indo-European -yeh₂.

Ancestry of “гуща”, step by step

StepLanguageWordMeaning
1Proto-Slavicgǫščasediment, compression
2Proto-Slavic-jaSuffix creating feminine action nouns, usually...
3Proto-Indo-European-yeh₂—

Words derived from “гуща”

Every word from Proto-Indo-European -yeh₂ →Every word from Proto-Slavic -ja →Every word from Proto-Slavic gǫšča →