切腹

Seppuku (切腹) means 'cutting the belly' — from setsu/kiru (切, to cut) and fuku/hara (腹, abdomen, belly). The characters are the same as harakiri (腹切り), but in reverse order. The reversal is not accidental: seppuku uses the Sino-Japanese reading (on'yomi) of the characters, which in formal contexts signals dignity and ceremony; harakiri uses the native Japanese reading (kun'yomi), which sounds more colloquial. A warrior who died in this manner was seppuku; the common man's description was harakiri. European writers adopted harakiri because they encountered it first in informal sources.

The act itself was not merely suicide — it was a legal proceeding with a formal structure. A condemned samurai would be given the opportunity to die by seppuku rather than execution, preserving honor. There was a kaishakunin (介錯人) — a designated assistant, usually a skilled swordsman — who would decapitate the person after the initial cut, minimizing suffering. The kaishakunin role was itself an honor to perform. A botched kaishakunin cut was a serious failing. The whole procedure was choreographed with the precision of a ceremony.

The ideology behind seppuku rested on several convergent beliefs: the hara (belly) was the seat of the true self and of courage in Japanese thought; to open the hara was to show one's true interior, to offer the evidence of one's sincerity; death by one's own hand was preferable to capture or execution because it preserved agency and demonstrated the primacy of the will. Yukio Mishima described the seppuku ideal in his writings throughout the 1960s as a fusion of beauty, discipline, and death — and died by seppuku in 1970 after a failed coup attempt.

The last voluntary seppuku in a major public context was Mishima's. He had spent years preparing his body through bodybuilding and kendo, writing novels that circled around the theme of beautiful death, and finally staged his death as a theatrical act of protest against postwar Japan's abandonment of the samurai ethos. The performance did not achieve its political goal but made global news. Seppuku entered Western vocabulary as a loan word for a narrow historical practice and, more loosely, for any form of self-destructive honorable action.