Yupian (Yuankanben) Guangyun Jiyun Shiming Fangyan Erya Boya (according to Jiyun) Guangya (according to Jiyun)
id du Shuowen
Shuowen: volume 12a, page 258a.07 addition
radical:
441 戚聲
fanqie: 沙劃切 [ʃwæk]
this character is not in the Duanzhu