Mao Collection, Upper Volume
Radical: Heart (xīn)
Entry: 忴
Kangxi stroke count: 8
Page 378, Entry 20
Collected Rhymes (Jiyun): Pronounced qian.
Jade Chapter (Yupian): The meaning is to be anxious in one's heart.
Classified Dictionary (Leipian): Pronounced qin. 忴, describes the appearance of being robust and agile.