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
Buddhism in the West the East Asian Mahayana traditions in the West is Zen Buddhism, which was boosted by post-war popularity among the counterculture and influential figures like Shunryu Suzuki. Today it is a popular type of convert Buddhism, in various forms such as Japanese Zen, Vietnamese Thien and Korean Seon. According to Hughes Seager, in America, Zen is "primarily a movement of laity who practice monastic disciplines." The "flagship" institutions of Zen in the United States include the Soto Zen San Francisco Zen Center of Shunryu Suzuki and the Zen Center of Los Angeles of Hakuyu Taizan Maezumi, as well as the Rinzai