Where does “性同一性障害” come from?

性同一性障害 (Japanese) comes from Japanese 性同一性, from Japanese 性, from Middle Chinese 性.

性同一性障害 (Japanese): gender identity disorder

Definitions

  1. gender identity disorder

Ancestry of “性同一性障害”, step by step

性同一性障害 traces back through two separate lines of ancestry.

via Japanese 性同一性

StepLanguageWordMeaning
1Japanese性同一性gender identity
2Japanese性the nature of something; sex, gender; gender
3Middle Chinese性—

via Japanese 障害

StepLanguageWordMeaning
1Japanese障害impediment, obstacle, handicap; obstruct
Every word from Middle Chinese 性 →Every word from Japanese 性 →Every word from Japanese 性同一性 →