The origin of tokonoma is oshiita (a zashiki kazari of a thick wooden board settled at the bottom of the wall in the Medieval Period) in the Medieval period, and the tokonoma had been accomplished in the Shoin-zukuri Sukiya (a house built in the style of a tea-ceremony hut), and in Shoin-zukuri in the style of sukiya (traditional style of Japanese residential architecture building in the style of a tea-ceremony house), in the early modern period, in a quintessential way.
中世の押し板が起源であり、典型的には近世初期の書院造、数寄屋風書院において完成した。