Where does “交通事故” come from?

交通事故 (Japanese) comes from Japanese 交通, from Middle Chinese 交通.

交通事故 (Japanese): a traffic accident

Definitions

  1. a traffic accident

Ancestry of “交通事故”, step by step

交通事故 traces back through two separate lines of ancestry.

via Japanese 交通

StepLanguageWordMeaning
1Japanese交通transportation; traffic; social intercourse
2Middle Chinese交通

via Japanese 事故

StepLanguageWordMeaning
1Japanese事故accident; incident; trouble
Every word from Middle Chinese 交通Every word from Japanese 交通