Yupian (Yuankanben) Guangyun Jiyun Shiming Fangyan Erya Boya (according to Jiyun) Guangya (according to Jiyun)
id du Shuowen
Shuowen: volume 13b, page 290a.10 addition
radical:
480 幼聲
fanqie: 於交切 [øau]
Variants :
this character is not in the Duanzhu