During the Muromachi period the value of chaire was enhanced as a container for powdered green tea, and when better pieces began to be selected with the progress of formalization of shitsurai (placing decorations suitable for a season or ritual onto appropriate indoor places) (see "Kundaikansochoki" (book of secrets about zashiki-kazari (decoration of room or study with shoin (one of Japan's most important residential architectural styles, established in Momoyama era)))), especially excellent pieces were given a name and ranked as "masterpieces."
室町時代には抹茶を入れる容器として価値を高め、室礼の様式化に伴って優品が選ばれるようになると（『君台観左右帳記』を参照）、特に優れた物には銘が与えられて「名物」となった。