Where does “活性” come from?

活性 (Japanese) comes from Japanese 性, from Middle Chinese 性.

活性 (Japanese): activity

Definitions

  1. activity

Ancestry of “活性”, step by step

活性 traces back through two separate lines of ancestry.

via Japanese 性

StepLanguageWordMeaning
1Japanese性the nature of something; sex, gender; gender
2Middle Chinese性—

via Japanese 活

StepLanguageWordMeaning
1Japanese活life
2Japanese活動activity, work, operation; to act, to operate, to...
Every word from Middle Chinese 性 →Every word from Japanese 性 →
活性 — Etymology, Origin & Word History | Etymology Explorer