disembowelment

1. Suicide by disembowelment was favoured because it was slow and painful and therefore demonstrated courage, self-control, and strong resolve.
   他们喜欢采用这一自杀方式是因为切腹进行缓慢，极度痛苦，因此能够证明勇气、自制力和坚定的决心。

noun

1. the act of removing the bowels or viscera

   Synonym:    evisceration