Chen Collection, Middle Volume. Radical: Tree (mù). Kangxi stroke count: 6. Page 510, Entry 09.
According to Tang Rhymes (Tangyun) and Collected Rhymes (Jiyun), it is pronounced dao. It refers to the central part of a tree.
Jade Chapters (Yupian) records it as the name of a type of tree.
Additionally, according to Collected Rhymes (Jiyun), it is pronounced tiao. It refers to the shedding of tree branches.
Furthermore, according to Broad Rhymes (Guangyun) and Classified Chapters (Leipian), it is pronounced mu. Broad Rhymes (Guangyun) records it as a mulberry trimming tool. Classified Chapters (Leipian) explains it as a knife used for pruning mulberry trees.