Chou Collection, Middle Volume
Radical: Earth (tǔ)
Yang
Kangxi Strokes: 8
Page 226, Entry 31
Pronounced yang (rising tone).
According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to dust.
In the Upper Forest Rhapsody (Shanglin Fu) by Sima Xiangru: Passing through the vast and dust-filled fields.
In the Great Harmony Section (Taihe Pian) of the Correcting Youthful Ignorance (Zhengmeng): The energy is vast and fills the great void.
Also pronounced yang. The meaning is the same.
Also appears in the variant form (yangya), see the entry for the character ya.