切腹

1. Origins, structure, and basic meaning

• Structure: Written 切腹 and read せっぷく, it denotes the historical form of ritual suicide by disembowelment associated with warriors.
• Basic usage: It appears in a historical drama and in museum explanation of the practice's background.

2. Common pitfalls and similar expressions

• Historical and cultural scope
  • It is not a general modern word for suicide but a specific act situated in warrior history and narrative.