Where does “中央演算処理装置” come from?

中央演算処理装置 (Japanese) comes from Japanese 中央, from Middle Chinese 中央.

Ancestry of “中央演算処理装置”, step by step

中央演算処理装置 traces back through 3 separate lines of ancestry.

via Japanese 中央

StepLanguageWordMeaning
1Japanese中央center/centre, middle
2Middle Chinese中央—

via Japanese 処理

StepLanguageWordMeaning
1Japanese処理processing; process

via Japanese 演算

StepLanguageWordMeaning
1Japanese演算A procedure for generating a value from one or more other values; operation
Every word from Middle Chinese 中央 →Every word from Japanese 中央 →