Ton'a

Ton'a (頓阿; 12891372), also read as Tonna; lay name Nikaidō Sadamune (二階堂貞宗), was a Japanese Buddhist poet who was a student of Nijō Tameyo. Ton'a took a tonsure at Enryaku-ji Temple, but was later associated with the Ji sect (founded by Ippen). He looked up to Saigyō's poetic genius.