Zi Collection, Upper Volume, Page 25, Entry 03 Pronounced yu zhì (entering tone) in the "Guangyun" (Guangyun), and yi zhì (entering tone) in the "Jiyun" (Jiyun), "Yunhui" (Yunhui), and "Zhengyun" (Zhengyun), with the same pronunciation as "ye". "Rong yi" (rong yi), describing the appearance of flowing water. In Song Yu's "Gao Tang Fu" (Gao Tang Fu), it is written: "Vast waves, the flowing rong yi."