LotR -- Book 3 - Chapter 04 - Treebeard

[The Saucepan Man]

Originally Posted by Fordim Hedgethistle

Treebeard says as much about his name: that it is always growing.

But isn't that a source of pleasure for him? In contrast to Elves, he takes pleasure in the natural process of change which promotes the continued growth and vibrancy of his language. It is only "unnatural" change, such as that wrought by Saruman on the forest, which disturbs and angers him.