A Shinto school derived from the Tendai sect was called "Sanno Shinto," later changed to "Sanno Ichijitsu Shinto" by Tenkai (a priest of the Tendai sect, who lived in the early Edo period).
天台宗が興した神道の一派を山王神道と言い、後に天海が山王一実神道と改めた。