Where does “性交渉” come from?

性交渉 (Japanese) comes from Japanese 性, from Middle Chinese 性.

性交渉 (Japanese): sexual relations

Definitions

  1. sexual relations

Ancestry of “性交渉”, step by step

性交渉 traces back through 3 separate lines of ancestry.

via Japanese 性

StepLanguageWordMeaning
1Japanese性the nature of something; sex, gender; gender
2Middle Chinese性—

via Japanese ual]])

StepLanguageWordMeaning
1Japaneseual]])—

via Japanese 交渉

StepLanguageWordMeaning
1Japanese交渉negotiations
Every word from Middle Chinese 性 →Every word from Japanese 性 →
性交渉 — Etymology, Origin & Word History | Etymology Explorer