This root word is used in many words related to the study of plants, such as:
* Botany: The scientific study of plants.
* Botanist: A scientist who studies plants.
* Botanical: Relating to plants or the study of plants.
* Botanize: To collect and study plants.
* Phyto- (from Greek "phyton" also meaning plant) is another common root word related to plants.
So, whenever you see the word "botan" in a word, you can be pretty sure it has something to do with plants!