Where does “почёсывать” come from?

почёсывать (Russian) comes from Russian чеса́ть, from Proto-Slavic česàti, from Proto-Balto-Slavic késtei, from Proto-Indo-European kes- — to scrape, comb.

почёсывать (Russian): to scratch a bit or sometimes

Definitions

  1. to scratch a bit or sometimes

Ancestry of “почёсывать”, step by step

StepLanguageWordMeaning
1Russianчеса́тьto comb
2Proto-Slavicčesàtito comb, to scratch; to scratch, to comb
3Proto-Balto-Slavickésteito comb
4Proto-Indo-Europeankes-to scrape, comb
Every word from Proto-Indo-European kes- →Every word from Proto-Balto-Slavic késtei →Every word from Proto-Slavic česàti →