Mao Collection, Upper Volume
Radical: Heart (xīn)
Su
Kangxi strokes: 14
Page 396, Entry 14
Broad Rimes (Guangyun): Pronounced su.
Collected Rimes (Jiyun), Dictionary of Rhymes (Yunhui), and Correct Rimes (Zhengyun): Pronounced su. Identical to the character for report or accuse.
Book of Odes (Shijing), Odes of Bei: To go and report.
Analects (Lunyu): Slanderous reports received through the skin.
Also used interchangeably with the character meaning to go against the current (su).
Strategies of the Warring States (Zhanguoce): The ruler of Wei went barefoot to report to Wei.
Annotation: To go against the current and to report are identical.
Also, according to Broad Rimes (Guangyun): Pronounced suo. According to Collected Rimes (Jiyun): Pronounced suo.
Dictionary of Rhymes (Yunhui): To be startled or afraid is called suo.
Book of Changes (Yijing), Lüh Hexagram: Treading on a tiger's tail, trembling with fear. In the end, it is auspicious.
Collected Rimes (Jiyun): Sometimes written as a variant form (xi). Also written as a variant form (xi).
Originally written as the character for report or accuse. Sometimes written with the speech radical and the component meaning north (shuo), and sometimes written with the heart radical.