The crossword solution for the term 'prefix with POTENT or PRESENT' is OMNI. The prefix OMNI- is derived from Latin and means 'all' or 'EVERY'. It is commonly used in English to refer to something that is all-encompassing or universal. For example, an omnipotent being is one that is all-powerful, and an omniscient being is one that is all-knowing. When combined with the words 'POTENT' or 'PRESENT', the prefix OMNI- implies that something is all-powerful or all-PRESENT.