Chou Collection, Middle Volume
Radical: Earth (tǔ)
塌
Kangxi Strokes: 13
Page 235, Entry 04
According to the Compilation of Rhymes (Jiyun) and the Collection of Rhymes (Yunhui), pronounced ta (falling tone). Refers to ground that is low. In the Agricultural Treatise (Nongshu) by Wang Pan, the first plowing is called ta.
Also, according to the Compilation of Rhymes (Jiyun), pronounced ta (falling tone). To fall or collapse. In the Proclamation Denouncing Cao Cao by Lin, it is written: with drooping heads and collapsed wings.
Also, in the Records of the Three Kingdoms (Weizhi), there is the name Tadun.
Also, according to the Jade Chapters (Yupian), an ancient variant character. Details are noted at the eighteen-stroke entry. It is formed from the character for cover, not from the character for sun.
In the Preparation for Document Examination (Tongwen Beikao), it refers to a bed resting firmly on the ground. Formed from the character for earth, with ta as the phonetic component, implying proximity to the ground.