What is the meaning of the prefix "Meso-"?

The prefix "Meso-" originates from the Greek word "mesos," which means "middle." It is commonly used in various fields such as science, geography, and linguistics to describe something that is situated in the middle or intermediate position. For instance, in geography, it can refer to a region that is in between two larger areas, while in biology, it can indicate a middle layer or structure within a system. Understanding the root of the prefix allows for a greater grasp of its application and relevance in different contexts. In contrast, the other provided options do not align with the true meaning of the prefix and reflect different concepts entirely—none related to the idea of being 'middle' or intermediate.