Mao Collection, Upper Volume
Radical: Heart (xīn)
忥
Kangxi stroke count: 8
Page 377, Entry 20
According to the Tang Rhyme (Tangyun) and the Collected Rhymes (Jiyun), it is pronounced xi (falling tone), sounding similar to the character for sighing. The Explaining Graphs and Analyzing Characters (Shuowen Jiezi) interprets it as appearing foolish or sluggish. Another interpretation is quietude. It also denotes the breath. Additionally, according to the Collected Rhymes (Jiyun), it is pronounced xi, sounding similar to the character for a hiss. The Extensive Refinements (Boya) interprets it as the reduplicated form, indicating joy.