After some time, the Shoin was used to serve tea ceremonially by the Douboushuu. All the utensils used by them came from China and were placed on a large utensil stand (Daisu).
Murata Shukou : The Founder of Chanoyu
When people of other classes became interested in the tea ceremony enjoyed by the Samurai class, they started having small tea gatherings in smaller and less lavish rooms which were appropriate to their status. From this the small room called Kakoi came into existence.
One of the best designers of smaller tearooms was a Zen priest called Murata Shukou. He later became known as the father of the tea ceremony because the etiquette and spirit of tea were originated by him. At the age of eleven he entered into priesthood at Shoumyou Temple until he was twenty. Ten years later he returned to priesthood atDaitoku-ji Temple under the monk and teacher IkkyuuSoujun to practice Zen meditation. Later he was rewarded for his profound understanding of Zen and received a diploma signed by the Chinese monk Yuanwu. After this, he spend the rest of his days in his tea room in Nara to perfect the tea ceremony, and give lessons to anyone interested in learning the art. To all his students he tried very hard to instill the true spirit of simple, Zen-inspired tea.
Another important procedure initiated by Shukou, was that he himself would serve the tea to his guests. He preferred the intimate and personal atmosphere of a small room which could fit five to six people. The four-and-a-half-mat room that he had devised to create a more tranquil atmosphere during the tea ceremony had its origins in the Zen philosophy he had studied in Kyoto at Daitokuji Temple.
In a letter to his favorite pupil, Harima no Furuichi, Shukou outlined his own basic concept of the art of Chanoyu and his personal philosophy of aesthetics. He wrote about the idea of refined simplicity, or Kakeru, and about the importance of understanding the aesthetic qualities of sober-colored pottery from Bizen and Shigaraki. From his letters it can also be learned that he took great pains to study the best method of combining Chinese and Japanese tea utensils.
Toward the end of the Muromachi period, the tea culture reached its peak, and tea devotees were given different titles to distinguish their relation to the art. Chanoyusha was the name given to a professional teacher of the tea