It comes from the Latin word "causa", which means "cause".
Here are some examples of words with the prefix "caus-":
* Causation: The act of causing something.
* Cause: The reason for something happening.
* Causative: Something that causes something else to happen.
* Causal: Relating to cause and effect.
* Causality: The relationship between cause and effect.
It's important to note that sometimes, the prefix "caus-" is slightly altered in a word, like in " causal" where the "s" is dropped.