Where does “乳糖” come from?

乳糖 (Japanese) comes from Japanese 糖, from Middle Chinese 糖 — sugar.

乳糖 (Japanese): milk sugar

Definitions

  1. milk sugar

Ancestry of “乳糖”, step by step

乳糖 traces back through two separate lines of ancestry.

via Japanese 糖

StepLanguageWordMeaning
1Japanese糖sugar
2Middle Chinese糖sugar

via Japanese 乳

StepLanguageWordMeaning
1Japanese乳milk; breast
Every word from Middle Chinese 糖 →Every word from Japanese 糖 →