Which of the following roots indicates the term associated with "stomach"?

The root "Gastr/o" specifically refers to the stomach. It is derived from the Greek word "gaster," which directly translates to stomach. This root is used in various medical terms related to the stomach, such as gastritis (inflammation of the stomach lining) and gastroscopy (the visual examination of the stomach).

The other roots provided pertain to different organs or systems. For instance, "Hepat/o" relates to the liver, "Col/o" refers to the colon or large intestine, and "Enter/o" is associated with the intestine, particularly the small intestine. Understanding these roots is essential in medical terminology as they help clarify the specific organ or function being addressed in various medical contexts.