Where does “複合汚染” come from?

複合汚染 (Japanese) comes from Japanese 汚染 — pollution; contamination.

複合汚染 (Japanese): multiple contamination

Definitions

  1. multiple contamination

Ancestry of “複合汚染”, step by step

複合汚染 traces back through two separate lines of ancestry.

via Japanese 汚染

StepLanguageWordMeaning
1Japanese汚染pollution; contamination

via Japanese 複合

StepLanguageWordMeaning
1Japanese複合combined, composition
Every word from Japanese 汚染