Yupian (Yuankanben) Guangyun Jiyun Shiming Fangyan Erya Boya (according to Jiyun) Guangya (according to Jiyun)
id du Shuowen
Shuowen: volume 10b, page 223b.18 addition
radical:
408 庸聲
fanqie: 蜀容切 [ʑĭwoŋ]
this character is not in the Duanzhu