Hold the bowl lightly with your hand, and stir the powdered green tea inside the bowl swiftly with chasen (bamboo tea whisk), and this process is called "to making up tea, " "to whipping up tea" or "to waking up tea."
茶碗を軽く押さえ、茶筅で手早くかき回す（これを「茶を点てる（たてる）」という）。