忖
cǔn

guess

Phonosemantic compound. 忄 represents the meaning and 寸 represents the sound.

Components

忄
忄 Meaning component
xin, xīn heart

忄 is a component form of 心.

寸
寸 Sound component
cùn, cun (hand), inch

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttshwonX[tsʰ]ˤu[n]ʔmeasure, consider
Zhengzhangsʰuːnʔ

說文解字

度也。从心寸聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)