* Born: This is the most common meaning of "nat" in English. It is derived from the Latin word "natus," meaning "born." For example, "native" means born in a particular place, and "natal" refers to birth or birthplace.
* Nature: This meaning is less common but still occurs in some words. It comes from the Latin word "natura," meaning "nature." For example, "natural" means relating to nature, and "natalist" refers to someone who believes in the importance of having children.
* Nation: This meaning is even less common but does occur in some specialized contexts. It comes from the Latin word "natio," meaning "nation." For example, "nationalist" refers to someone who believes in the importance of their nation.
To determine the specific meaning of "nat" in a particular word, you need to consider the context and the rest of the word.