Where does “толща” come from?

толща (Russian) comes from Proto-Slavic *tъlšča — fat, thickness.

толща (Russian): thickness; stratum, thick layer, depth; mass

Definitions

  1. thickness; stratum, thick layer, depth; mass

Ancestry of “толща”, step by step

StepLanguageWordMeaning
1Proto-Slavic*tъlščafat, thickness
Every word from Proto-Slavic *tъlšča
толща — Etymology, Origin & Word History | Etymology Explorer