Where does “загустеть” come from?

загустеть (Russian) comes from Russian за́-, from Proto-Slavic za- — for.

загустеть (Russian): to thicken

Definitions

  1. to thicken

Ancestry of “загустеть”, step by step

StepLanguageWordMeaning
1Russianза́-behind, beyond
2Proto-Slavicza-for
Every word from Proto-Slavic za- →Every word from Russian за́- →