Where does “警察署長” come from?

警察署長 (Japanese) comes from Japanese 長, from Middle Chinese 長.

警察署長 (Japanese): head of a police station, superintendent

Definitions

  1. head of a police station, superintendent

Ancestry of “警察署長”, step by step

警察署長 traces back through two separate lines of ancestry.

via Japanese 長

StepLanguageWordMeaning
1Japanese長chief, head, leader; strong point; major
2Middle Chinese長—

via Japanese 警察署

StepLanguageWordMeaning
1Japanese警察署police station
2Japanese警察police; Short for 警察署
Every word from Middle Chinese 長 →Every word from Japanese 長 →