Where does “不確実” come from?

不確実 (Japanese) comes from Japanese 不, from Middle Chinese 不.

不確実 (Japanese): uncertain; unreliable; inauthentic

Definitions

  1. uncertain; unreliable; inauthentic

Ancestry of “不確実”, step by step

不確実 traces back through two separate lines of ancestry.

via Japanese 不

StepLanguageWordMeaning
1Japanese不un-, non-, in-; bad, poor
2Middle Chinese不—

via Japanese 確実

StepLanguageWordMeaning
1Japanese確実certain, reliable

Words derived from “不確実”

Every word from Middle Chinese 不 →Every word from Japanese 不 →