Mao Collection, Upper Volume Radical: Heart (xīn) 忖 Kangxi strokes: 7 Page 376, Entry 16 Pronounced cun. Shuowen Jiezi (Shuowen): To estimate. Formed from the radical for heart, with cun acting as a phonetic component. Guangyun (Guangyun): To think. Book of Odes (Shijing), Lesser Odes of the Kingdom: If others have thoughts, I will estimate them. Also a surname. Also interchangeable with the character pronounced cun. Book of Rites (Liji), Jade Talisman: The upper ring is the head part. The commentary explains: The upper ring is the head portion; the character used here refers to the cutting of the portion. The sub-commentary states: This is equivalent to cut. Shuowen Changjian (Shuowen Changjian): Formed from heart and cun, an ideogram. It also functions as a phonetic component with cun. Sometimes abbreviated as the character pronounced cun.