Yupian (Yuankanben) Guangyun Jiyun Shiming Fangyan Erya Boya (according to Jiyun) Guangya (according to Jiyun)
id du Shuowen
Shuowen: volume 14b, page 307a.05 addition
radical:
500 𨸏 卂聲
fanqie: 所臻切 [ʃĭen]
this character is not in the Duanzhu