Where does “снохачество” come from?

снохачество (Russian) comes from Russian сноха́ч, from Russian сноха, from Proto-Slavic snъxa, from Proto-Indo-European snusós — daughter-in-law.

снохачество (Russian): sexual relations and cohabitation between a man and his daughter-in-law

Definitions

  1. sexual relations and cohabitation between a man and his daughter-in-law

Ancestry of “снохачество”, step by step

StepLanguageWordMeaning
1Russianсноха́чA man (свёкор) who takes sexual advantage of his daughter-in-law (сноха)
2Russianснохаa man’s daughter-in-law
3Proto-Slavicsnъxadaughter-in-law
4Proto-Indo-Europeansnusósdaughter-in-law
Every word from Proto-Indo-European snusósEvery word from Proto-Slavic snъxaEvery word from Russian сноха