Where does “членосос” come from?

членосос (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.

членосос (Russian): cocksucker

Definitions

  1. cocksucker

Ancestry of “членосос”, step by step

членосос traces back through two separate lines of ancestry.

via Russian соса́ть

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

via Russian член

StepLanguageWordMeaning
1Russianчленlimb; article; part
2Old Church Slavonicчлѣнъ—
3Proto-Slavicčelnъsegment, part; member
4Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European sewh₁- →Every word from Proto-Indo-European sewk- →Every word from Proto-Balto-Slavic suś- →