Zi Collection, Page Position: Upper, Radical: Tree (mù), Page 178, Entry 01 Pronounced xū (falling tone) - This character is originally written as 杴, a tool similar to a shovel. It can also be written as 觺. Zi Collection, Page Position: Upper, Radical: Tree (mù), Page 178, Entry 02 Pronounced kǎn (falling tone) - Refers to a wooden plank.