Yupian (Yuankanben) Guangyun Jiyun Shiming Fangyan Erya Boya (according to Jiyun) Guangya (according to Jiyun)
id du Shuowen
Shuowen: volume 04a, page 073b.16 addition
radical:
99 牟聲
fanqie: 莫浮切 [mĭəu]
this character is not in the Duanzhu