Where does “заросль” come from?

заросль (Russian) comes from Russian зарасти́, from Russian расти́, from Proto-Slavic orsti, from Proto-Indo-European h₃ér- — to move, to stir.

заросль (Russian): undergrowth, brushwood, thicket

Definitions

  1. undergrowth, brushwood, thicket

Ancestry of “заросль”, step by step

StepLanguageWordMeaning
1Russianзарасти́to be overgrown, to be covered with vegetation, to hair, to fur, etc
2Russianрасти́to grow
3Proto-Slavicorstito grow
4Proto-Indo-Europeanh₃ér-to move, to stir
Every word from Proto-Indo-European h₃ér- →Every word from Proto-Slavic orsti →Every word from Russian расти́ →