The Greek word "επί" (epi) translates to "on," "upon," or "over" in English. It is a preposition used to indicate a position or location, often describing something that is physically above or in contact with another object. For example, one might say "επί του τραπεζιού" (epi tou trapeziou), meaning "on the table." In addition to its spatial meaning, "επί" can also convey a sense of time or condition. For instance, it can be used to describe an event occurring during a specific period, such as "επί της βασιλείας" (epi tis vasileias), meaning "during the reign." This versatility makes "επί" an important word in the Greek language.