Where does “完成品” come from?

完成品 (Japanese) comes from Japanese 品, from Middle Chinese 品.

完成品 (Japanese): finished product

Definitions

  1. finished product

Ancestry of “完成品”, step by step

完成品 traces back through two separate lines of ancestry.

via Japanese 品

StepLanguageWordMeaning
1Japanese品article, goods; stock; quality
2Middle Chinese品—

via Japanese 完成

StepLanguageWordMeaning
1Japanese完成completion, accomplishment; complete
Every word from Middle Chinese 品 →Every word from Japanese 品 →