What are Canker Sores?

Sore is a Chinese character, pronounced chung. It originally means a millet-like mass on the skin. The extended meaning is a disease of swelling and ulcer on the skin. This text has been recorded in the "Jade Chapter" and "Xijing Fu" and other documents. ^[1]

[chung]

<Name>

phonetic. From (chuáng), from the warehouse, warehouse also sound. "Cang" originally refers to a cylindrical millet, which is turned to grow on the skin

Sore scar

[scar] Scar left after healing

Kangxi dictionary

[Ancient Chinese text] The beginning of "Guangyun", "Jiyun" and "Yunhui" early good cut "Zhengyun" early Zhuangqian, sound . "Jade articles" sores, suffocation also. "Ji Yun" also. "Yunhui" also has ulcers, and sores. "Releasing the name" sores, suffocation also, slandering the body to make injuries also. "Zhang Heng · Xijing Fu" has become so bad. "Note" wounds are scars. "Southern Song Emperor Song Dynasty" tigers cure gold sores.
And "Ji Yun" cut frost. Same meaning. ^[2]