The prefix "para-" means "beside" or "closely related to." In the context of the word "paranormal," it refers to phenomena that are beyond or outside the scope of normal scientific understanding. Therefore, the meaning of "paranormal" can be understood as "beyond normal" or "beside normal."
Among your options, "Next to phantom" aligns most closely with the meaning. However, it's important to note that "paranormal" specifically refers to phenomena such as ghosts and other supernatural occurrences rather than being just "next to phantom." The best understanding in a general sense is "beyond normal."