The prefix ‘quad’ comes from the Latin word ‘quattuor,’ which means four. When you see ‘quad’ at the beginning of a word, it usually refers to something that involves four parts or aspects.
For example, in the word ‘quadrilateral,’ ‘quad’ signifies that the shape has four sides. Similarly, ‘quadruple’ means to multiply something by four. The prefix is commonly used in various fields, including mathematics, architecture, and even in everyday language, to describe things that are grouped in fours. Thus, whenever you encounter ‘quad,’ think of four!