Where does “西洋薄荷” come from?

西洋薄荷 (Japanese) comes from Japanese 西洋, from Japanese 化, from Middle Chinese 化.

Ancestry of “西洋薄荷”, step by step

西洋薄荷 traces back through two separate lines of ancestry.

via Japanese 西洋

StepLanguageWordMeaning
1Japanese西洋The West, western countries
2Japanese化-ization, -ification; action of making something...
3Middle Chinese化—

via Japanese 薄荷

StepLanguageWordMeaning
1Japanese薄荷Synonym of ミント; Short for 日本薄荷
2Middle Chinese薄荷—
Every word from Middle Chinese 化 →Every word from Japanese 化 →Every word from Japanese 西洋 →