Where does “炉心” come from?

炉心 (Japanese) comes from Japanese 心, from Old Japanese 心, from Proto-Japonic *kəkərə — heart.

炉心 (Japanese): nuclear reactor core

Definitions

  1. nuclear reactor core

Ancestry of “炉心”, step by step

炉心 traces back through two separate lines of ancestry.

via Japanese 心

StepLanguageWordMeaning
1Japanese心mind, heart, spirit, soul; thoughts, ideas;...
2Old Japanese心heart, mind, spirit; emotion, feeling; heart,...
3Proto-Japonic*kəkərəheart

via Japanese 炉

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

Words derived from “炉心”

Every word from Proto-Japonic *kəkərə →Every word from Old Japanese 心 →Every word from Japanese 心 →