We will have a clear idea with below image:
|Take a break under the tree|
Let us examine its evolution history to confirm our guessing: (image get from http://www.vividict.com)
|Learn one Chinese Character a day - 休|
From Oracle Script , which is composed of man and tree . Following the same logic, is all the way simplified to its current form - 休.
Now it is time to enjoy a Chinese calligraphy with 休 inside: