Where does “原子炉” come from?

原子炉 (Japanese) comes from Japanese 炉, from Middle Chinese 爐.

原子炉 (Japanese): a nuclear reactor

Definitions

  1. a nuclear reactor

Ancestry of “原子炉”, step by step

原子炉 traces back through two separate lines of ancestry.

via Japanese 炉

StepLanguageWordMeaning
1Japanese炉furnace, kiln
2Middle Chinese爐—

via Japanese 原子

StepLanguageWordMeaning
1Japanese原子atom
Every word from Middle Chinese 爐 →Every word from Japanese 炉 →