Chou Collection, Upper Volume
Radical: Mouth (kǒu)
Character: Xia
Kangxi Strokes: 8
Page 183, Entry 04
Tang Rhymes (Tangyun) and Correct Rhymes (Zhengyun): Pronounced xia. Collected Rhymes (Jiyun): Pronounced xia.
Shuowen Jiezi (Shuowen): To suck or sip. Long Jian (Long Jian): To suck and drink is called xia. The character jia (jia) contains the meaning of gathering and hiding, therefore it follows jia.
Also, Guangyun (Guangyun): Huang-xia, sounds of a crowd.
Also, Sima Xiangru: Zixu Fu (Zixu Fu): Xi-xia cui-cai. Commentary: The appearance of clothing puffing up.