Explore each form from the oldest known stage to today.
The character 丹 originally depicted a cinnabar mine, with the outer shape representing the mine shaft and the dot inside representing the valuable cinnabar ore. Cinnabar (mercury sulfide) was highly prized in ancient China for its vibrant red color, used in pigments, lacquerware, and Taoist alchemy. Over time, the character evolved to mean 'red' or 'vermilion' and by extension came to represent 'sincerity' and 'purity,' as the unadulterated red color was considered genuine and authentic. The modern form 丹 maintains this simple structure of a container with a mark inside, preserving the essence of its original meaning. Arrived in Japan: The character 丹 arrived in Japan during the Yayoi period (300 BCE - 300 CE) or early Kofun period (300-538 CE) through cultural exchange with China and Korea, likely brought by scholars, artisans, and immigrants. It was formally incorporated into the Japanese writing system during the Asuka period (538-710 CE) when Japan systematically adopted Chinese characters along with Buddhism and other elements of Chinese culture.