Ritual suicide by disembowelment formerly practiced by Japanese samurai.
Origin of seppuku
- Japanese setsu to cut (from Middle Chinese tshiat) (also the source of Mandarin qiè) fuku stomach, abdomen (from Middle Chinese fuwk) (also the source of Mandarin fù)
From American Heritage Dictionary of the English Language, 5th Edition
- From Japanese åˆ‡è…¹, ã›ã£ã·ã (seppuku), from Middle Chinese åˆ‡ (tÍ¡set "to cut") + è…¹ (pjuwk "belly") (compare Cantonese tsit-fuk åˆ‡è…¹, Mandarin qiÄ“fÃ¹ åˆ‡è…¹).