The spelling of the word "seppukus" is derived from the Japanese word "seppuku," which refers to the act of honorable suicide performed by samurai warriors. The plural form of this word is "seppukus." The IPA phonetic transcription for "seppukus" is /sɛˈpuːkʊz/, with the stress on the second syllable. The "pp" and "k" sounds come from the Japanese language and are represented in the English spelling to keep the original pronunciation intact.
The word "seppuku" is a romanization of the Japanese word "切腹", which literally translates to "stomach-cutting" or "belly-cutting". It refers to a form of ritual suicide by disembowelment, primarily practiced by samurai in feudal Japan. The term itself is a combination of two kanji characters: 切 (seppi) meaning "cut" or "slice", and 腹 (hara) meaning "belly" or "stomach".