Mao Collection, Upper Volume
Radical: Heart (xīn)
Kangxi strokes: 17
Page 405, Entry 18
Pronounced ken
According to the Shuo Wen Jiezi (Shuo Wen): Sincere. Formed from the heart radical with ken as the phonetic component. The original form was written with the ken component, now written as ken.
According to the Jiyun (Jiyun): Sincere.
According to the Guangyun (Guangyun): Ken ce refers to extreme sincerity. Also, to trust.
Sometimes written in the variant form ken.
In the Biography of Liu Xiang in the Book of Han (Hanshu): Ken ken, repeatedly risking the punishment of death.
Commentary by Shigu: The meaning of sincere trust.
Also written as ken.
In the Book of Rites (Liji), section Tan Gong: Ken hu qi zhi ye.
Commentary: Ken is pronounced ken, representing an expression of sympathy and pity.
Also, in the Rites of Zhou (Zhouli), section Winter Offices, Artificers Record: Therefore, the shaft should be ken dian.
Commentary: Ken dian refers to a firm and sharp appearance.
Zheng Sinong says: Read ken as ken, read dian as tian.