Zi Collection, Page Position: Upper, Radical: Grass (cǎo) Pronounced yu (falling tone) from "于柳切" in "Guangyun" (Guangyun). Pronounced yu (falling tone) from "于九切" in "Jiyun" (Jiyun), same pronunciation as "忧" (you). "Guangyun" states that "䬀" is the sound of wind. "Jiyun" states that lingering wind is called "䬀". Also, in "Leipian" (Leipian), it is "于纠切" (yu jiu qie), pronounced the same as "幽" (you). Zhu Xi's "Poem on Visiting Jingde Temple in Nankang" (You Nankang Jingde Guan Shi) writes: "Flying springs descend from heaven, once falling they do not retract. Sprinkled on the cliff face, the sunlight is brilliant; gushing in the deep valley, the sound of wind is 䬀 䬀."