Wu Collection, Middle Volume
Radical: Sickness (bìng)
癬
Kangxi Strokes: 22
Page 783, Entry 04
Tang Rhymes (Tangyun), Collected Rhymes (Jiyun), and Rhyme Compendium (Yunhui) define it as pronounced xian (rising tone). Correct Rhymes (Zhengyun) defines it as pronounced xian (rising tone).
Explaining Graphs (Shuowen): Dry skin lesion.
Explication of Names (Shimings): A skin condition that spreads and moves, causing the area to expand; thus, in the Qing and Xu regions, it is referred to as moving.
Zuo Commentary (Zuozhuan), Year 6 of Duke Huan: Referring to the lack of roughness or scabies.
Commentary: The skin and fur are free of scabies or fungal infections.
Also, according to Collected Rhymes (Jiyun): Pronounced xian. The meaning is the same. Sometimes written in a variant form.