hara-kiri
/ˈhærəˈkɪrɪ/noun
mass noun
1- ritual suicide by disembowelment with a sword, formerly practised in Japan by samurai as an honourable alternative to disgrace or execution切腹自杀。
1.1
- figurative ostentatious or ritualized self-destruction〈喻〉（夸耀性的或仪式化的）自我毁灭。
词源
mid 19th cent.: colloquial Japanese， from hara 'belly' + kiri 'cutting'.