entering a room; studying under a Buddhist teacher
visiting Tang China (esp. of an envoy, monk, or exchange student); entering Tang China
entering tone (in Chinese)
the eight Japanese monks who visited China during the early Heian period (Enchin, Engyō, Ennin, Eun, Jōgyō, Kūkai, Saichō and Shūei)
journeying to Song China during the Heian and Kamakura periods