karoshi, death from overwork

death / (law, historical) one of the five punishments under the 律令 (Ritsuryō) system, the methods used are 絞 (kō, “strangling”) and 斬 (zan, “decapitation”)

overwork

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

society (group of people sharing culture) / a class, a world of a certain group

death, to die / dead, unfunctional / life-or-death situation / dangerous, life-threatening / (baseball) out

death; dead

Short for 日本国 (Nihon-koku): Japan (a country and archipelago in East Asia) / a surname

Japan

(archaic) Japan