Explore each form from the oldest known stage to today.
The character 腸 (cháng) evolved from ancient pictographs depicting the intestines. In oracle bone script, it showed a container-like shape with wavy lines inside, representing the coiled intestines within the abdomen. The character consists of the radical 月 (肉, flesh/body) combined with 昜 (which originally represented something spreading or extending). This composition reflects the understanding of intestines as long, winding organs within the body. Over time, the character standardized during the Qin dynasty small seal script period and evolved to its current form, maintaining the semantic connection to internal organs while expanding to mean emotions or feelings (as in 'gut feelings'). Arrived in Japan: The character 腸 arrived in Japan during the 5th-6th centuries CE, primarily through the introduction of Chinese writing systems and medical texts via Korean peninsula. It was formally incorporated into the Japanese writing system during the Asuka and Nara periods (6th-8th centuries) as part of the mass importation of Chinese characters (kanji) and cultural knowledge.