It comes from the Greek word "soma," which means "body."
Here are some examples of words with the prefix "somat":
* Somatic: Relating to the body, especially as opposed to the mind.
* Somatotropin: A hormone that stimulates growth.
* Somatosensory: Relating to the sense of touch.
* Somatoform disorder: A mental disorder in which physical symptoms are present without a known physical cause.