Where does “과로사” come from?

과로사 (Korean) comes from Japanese 過労死, from Japanese 死, from Middle Chinese 死.

과로사 (Korean): karoshi, death from overwork

Definitions

  1. karoshi, death from overwork

Ancestry of “과로사”, step by step

과로사 traces back through two separate lines of ancestry.

via Japanese 過労死

StepLanguageWordMeaning
1Japanese過労死karoshi, death from overwork
2Japanese死death
3Middle Chinese死—

via Chinese 死

StepLanguageWordMeaning
1Chinese死—
2Proto-Sino-Tibetan*sijto die
Every word from Middle Chinese 死 →Every word from Japanese 死 →Every word from Japanese 過労死 →