Also called the "way of tea," chado is the set of traditions surrounding the Japanese tea ceremony ? "cha no yu." In the 12th century, the archetype of drinking powdered tea came to Japan from China. In the 16th century, strongly influenced by Zen Buddhism, Sen no Rikyu originated what became known as chado. Its fundamental principles are harmony, respect, purity, and tranquility. A student of chado is called a "chajin." The house used in the tea ceremony is called a "chashitsu."Also see sublime.