Mao Collection, Upper Volume Radical: Heart (xīn) 悆 Kangxi Strokes: 11 Page 386, Entry 29 According to the Extensive Rhymes (Guangyun), the Five Sound Rhyme Collection (Wuyin Jiyun), and the Collection of Rhymes (Yunhui), the pronunciation is yu (falling-rising tone). It means joy. According to the Five Sound Rhyme Collection (Wuyin Jiyun), it is also pronounced yu (level tone). The meaning is the same.