Jitsue ［実慧］ (786–847): A priest of the True Word (Shingon) school in Japan, also known as the Supervisor of Priests Hino’o or the Great Teacher Dōkō. He first studied the doctrine of the Dharma Characteristics (Hossō) school under Taiki of Daian-ji temple. When Kōbō, who was later to found the True Word school in Japan, returned from China to Japan, Jitsue became his disciple. He helped establish Kongōbu-ji temple on Mount Kōya and, in 823, moved to Tō-ji temple in Kyoto. Thereafter he founded Kanshin-ji temple at Hino’o in Kawachi Province. He was regarded highly by the imperial court and revered as foremost among Kōbō’s ten major disciples. His works are The Orally Transmitted Teachings on Meditation on the Character ( represents the vowel sound “ă”), The Teachings Orally Transmitted to Hino’o, and The Treatise on the Diamond Realm.