The term "2 man" seems to be a misspelling or a typo. It is likely referring to the word "two-man," which typically describes something that is designed for two people or pertaining to a situation involving two men. Commonly, this phrase can appear in contexts such as team sports, where two players work together, or in partnership scenarios.
The phrase "two-man" combines "two," which originates from Old English "twa," and "man," derived from Old English "mann," meaning a person or human being. The phrase reflects the idea of partnership or collaboration between two individuals.