noun
adding more tea; adding fresh leaves to used ones
Refers to the practice of adding fresh tea leaves to a teapot that already contains used leaves, rather than starting a new pot. A somewhat specialized term related to tea preparation.
急須に残った茶葉に新しい茶葉を足すことを口茶という。
Adding fresh tea leaves to the used leaves remaining in the teapot is called kuchija.
口茶をすると、お茶の味が長く楽しめる。
By adding more tea leaves, you can enjoy the flavor of the tea for longer.