Where does “河川工学” come from?

河川工学 (Japanese) comes from Japanese 河川, from Japanese 川, from Japanese 石川 — Ishi River (rivers in Japan).

河川工学 (Japanese): river engineering; hydromodification

Definitions

  1. river engineering; hydromodification

Ancestry of “河川工学”, step by step

河川工学 traces back through two separate lines of ancestry.

via Japanese 河川

StepLanguageWordMeaning
1Japanese河川river; rivers
2Japanese川river, stream, brook
3Japanese石川Ishi River (rivers in Japan)

via Japanese 工学

StepLanguageWordMeaning
1Japanese工学engineering
Every word from Japanese 石川 →Every word from Japanese 川 →Every word from Japanese 河川 →