Shen Collection, Lower Volume
Radical: Clothing (yī)
Character: 衦
Kangxi stroke count: 9
Page 1111, Entry 09
Tang Rhymes (Tangyun) and Collected Rhymes (Jiyun): Pronounced gan.
Explication of Writing (Shuowen): To rub and smooth out clothing.
Also, according to Classified Chapters (Leipian): Pronounced an, read in the falling tone. The meaning is the same. Sometimes written in a variant form.