Where does “不飽和脂肪酸” come from?

不飽和脂肪酸 (Japanese) comes from Japanese 脂肪酸, from Japanese 酸, from Middle Chinese 酸.

不飽和脂肪酸 (Japanese): unsaturated fatty acid

Definitions

  1. unsaturated fatty acid

Ancestry of “不飽和脂肪酸”, step by step

不飽和脂肪酸 traces back through two separate lines of ancestry.

via Japanese 脂肪酸

StepLanguageWordMeaning
1Japanese脂肪酸fatty acid
2Japanese酸sourness; acid; Alternative spelling of 酢
3Middle Chinese酸—

via Japanese 不飽和

StepLanguageWordMeaning
1Japanese不飽和unsaturated
2Japanese不un-, non-, in-; bad, poor
3Middle Chinese不—
Every word from Middle Chinese 酸 →Every word from Japanese 酸 →Every word from Japanese 脂肪酸 →