(; ), also known as (), is generic term which refers to a type of traditional Chinese decorative piece of fabric, which acts as a knee covering, in . The originated in China where it originated from the primitive clothing of the ancient; since then, it continued to be worn by both men and women, and eventually became part of the Chinese ceremonial attire. The was later introduced in Korea during Goryeo and Joseon by the Ming dynasty, along with many garments for royalties.
The originated from primitive clothing back when animal hides were used to replace foreskin and the genitals.
During the Shang dynasty, the basic style of clothing for men and women consisted of and .
Among many other types of female clothing items, the was listed in tomb inventories dating from 361 AD.
In the Ming dynasty, the became part of the official clothing.
The is a length of fabric which is typically long enough to reach the kneel-level and cover the front legs when attached to the waist of its wearer.
A red was worn as part of the which was worn by the Chinese emperors.
A crimson was worn as part of the .
A was also worn with the worn by Chinese empresses; the worn in the hanged in front of the garment and had the same colour as the bottom colour as the lower skirt.