The origin of traces back to at least the
Three Kingdoms of Korea, where it originated from a long coat worn by the northern nomadic peoples to fend off cold weather in ancient times. According to Samuel Lee, the origins of the can be traced back to the Goguryeo period: Based on the Goguryeo mural paintings found near Pyeongyang, such as the early 5th century murals from (), the ancient worn by the owner of tomb was red (or purple) in colour: The murals show a mixture of elements from before and after the fifth century; the wide-sleeves also reflect the characteristics of tomb murals that are found near the Pyeongyang area.
Goryeo During the
Goryeo period, Mongolian influences caused the to change in appearance.
Joseon period During the
Joseon dynasty, the was less worn as an overcoat but more of a housecoat for the noble class, whereas it was worn outdoors by the commoners. In 1884,
King Gojong promulgated the unification of clothing for all social classes through reform laws. However, this law was met with much resistance and it was only until ten years later, after the
Gabo Reform of 1894, that the became common as formal attire. == Construction and design ==