Where does “炉心熔融” come from?

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

炉心熔融 (Japanese): meltdown

Definitions

  1. meltdown

Ancestry of “炉心熔融”, step by step

炉心熔融 traces back through two separate lines of ancestry.

via Japanese 炉心

StepLanguageWordMeaning
1Japanese炉心nuclear reactor core
2Japanesemind, heart, spirit, soul; thoughts, ideas;...
3Old Japaneseheart, mind, spirit; emotion, feeling; heart,...
4Proto-Japonic*kəkərəheart

via Japanese 溶融

StepLanguageWordMeaning
1Japanese溶融melting; fusion
Every word from Proto-Japonic *kəkərəEvery word from Old Japanese Every word from Japanese