What does the prefix "quadri-" mean?

The prefix "quadri-" originates from the Latin word "quadra," meaning four. It is commonly used in medical terminology and various fields to denote a quantity of four. For instance, in medical terms like "quadriplegia," it refers to paralysis affecting all four limbs, highlighting the relevance of "four" in describing the condition. Therefore, the correct answer is affirmed by the consistent use of the prefix to signify the number four in a variety of contexts, making it essential for understanding terminology in medicine and beyond.