Japanese Zen is derived from the Japanese pronunciation of the Middle Chinese word 禪 (Chan) which traces its roots to the Indian practice of dhyāna ("meditation"). Buddhism was introduced to China in the first century CE. According to tradition, Chan was introduced around 500 CE by Bodhidharma, an Indian monk teaching dhyāna. He was the 28th Indian patriarch of Zen and the first Chinese patriarch. Buddhism was introduced in Japan in the 8th century CE during the Nara period (710-794) and the Heian period (794–1185). Zen was not introduced as a separate school in Japan until the 12th century during the Kamakura
Zen lineage charts in bringing Zen practice to the west. Although the membership of Sanbo Kyodan is small, 3,790 registered followers and 24 instructors in 1988, "the Sanbõkyõdan has had an inordinate influence on Zen in the West". His westerns students have spread out via Taizan Maezumi. Zen lineage charts Zen lineage charts depict the transmission of the dharma from one generation to another. They developed during the Tang Dynasty, incorporating elements from Indian Buddhism and East Asian Mahayana Buddhism, but were first published at the end of the Tang. The idea of a patriarchal lineage in Chan dates back to the epitaph