Seppuku to prefer Chinese readings in official announcements, only the term seppuku was ever used in writing. So hara-kiri is a spoken term, but only to commoners and seppuku a written term, but spoken amongst higher classes for the same act. The practice of performing seppuku at the death of one's master, known as oibara (追腹 or 追い腹, the kun'yomi or Japanese reading) or tsuifuku (追腹, the on'yomi or Chinese reading), follows a similar ritual. The word means "suicide" in Japanese. The modern word for suicide is . In some popular western texts, such as martial arts magazines, the term is
Samurai Red Seal Ship (朱印船) allowing him to trade between Japan and Indo-China. On a return journey from Batavia Joosten drowned after his ship ran aground. As far back as the seventh century Japanese warriors wore a form of "lamellar armor", this armor eventually evolved into the armor worn by the samurai. The first types of Japanese armors identified as samurai armor were known as "yoroi". These early samurai armors were made from small individual scales known as "kozane". The kozane were made from either iron or leather and were bound together into small strips, the strips were coated with lacquer