Where does “高級脂肪酸” come from?

高級脂肪酸 (Japanese) comes from Japanese 脂肪酸, from Japanese 酸, from Middle Chinese 酸.

高級脂肪酸 (Japanese): higher fatty acid

Definitions

  1. higher fatty acid

Ancestry of “高級脂肪酸”, step by step

高級脂肪酸 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 高級

StepLanguageWordMeaning
1Japanese高級high class, luxury; a high rank
Every word from Middle Chinese 酸 →Every word from Japanese 酸 →Every word from Japanese 脂肪酸 →