It is not Spanish, but it is used because we do not have an equivalent, since in Latin America it is not the case (at least voluntarily). It is a word imported from Japanese for "death by labor overdose", originally 36942; 21172; 27515; ( karoyi ) formed by the voices 36942; ( ka "excess" ) 21172; ( rho "work") 27515; ( yi "death" ) .
