Chen Collection, Middle Volume
Radical: Tree (mù)
桼
Kangxi strokes: 11
Page 527, Entry 17
According to ancient records:
Tang Rhymes (Tang yun) states it is pronounced qi.
Collected Rhymes (Jiyun), Collection of Rhymes (Yunhui), and Orthodox Rhymes (Zhengyun) state it is pronounced qi.
The pronunciation is the same as seven (qi).
Explanation from Explanation of Simple and Compound Characters (Shuowen jiezi):
The sap of the tree can be used to coat utensils. The character structure is composed of tree and floating, and it belongs to the category of pictographic characters. The character for lacquer represents the appearance of sap flowing downwards.
Broad Rhymes (Guangyun) defines it as a gelatinous lacquer. It is commonly written in the variant form lacquer (qi). It also refers to the name of a river.