Where does “сосание” come from?

сосание (Russian) comes from Russian соса́ть, from Old East Slavic съсати, from Proto-Slavic sъsàti, from Proto-Balto-Slavic suś-, from Proto-Indo-European sewk-, from Proto-Indo-European sewh₁- — to press, push.

сосание (Russian): sucking

Definitions

  1. sucking

Ancestry of “сосание”, step by step

StepLanguageWordMeaning
1Russianсоса́тьto suck
2Old East Slavicсъсати—
3Proto-Slavicsъsàtito suck
4Proto-Balto-Slavicsuś-—
5Proto-Indo-Europeansewk-to bend, turn; to suck
6Proto-Indo-Europeansewh₁-to press, push
Every word from Proto-Indo-European sewh₁- →Every word from Proto-Indo-European sewk- →Every word from Proto-Balto-Slavic suś- →