新華嚴經論 34.8

34.8

一得聞善知識名歡喜者，經云「聞是語已歡喜踊躍」，舉身離地為踊，再踊不已為躍。

First, regarding rejoicing upon hearing the name of the kalyāṇamitra: The sūtra states, "Having heard these words, he rejoiced and leaped for joy." Raising one's whole body off the ground is called yǒng (leaping); leaping repeatedly without stopping is called yuè (jumping).