What is the meaning of the prefix 'pro'?

The prefix 'pro' derives from Latin, where it typically conveys the meanings of "for," "in favor of," or "in front of." In various contexts, 'pro' is used to indicate support or advocacy, as seen in terms like "proactive" or "proponent," which emphasize action taken on behalf of something or someone.

The understanding of the prefix 'pro' enhances comprehension across numerous fields, such as legal, medical, and political language, where it signifies support for a cause or action. For clarity, the meanings associated with the other prefixes in the options vary significantly: 'before' typically comes from the prefix 'pre,’ 'beneath' relates to 'sub,' and 'without' is often associated with 'non' or 'a.' Thus, recognizing that 'pro' specifically pertains to the idea of support or favoring a position highlights its correct interpretation.