Why is shag pile carpet called ' shag ' pile?

Shag pile carpet is called "shag" due to its long, loose fibers that create a textured, fluffy appearance reminiscent of the Word "shaggy." The term became popular in the 1960s and 1970s when the style gained prominence in home decor, reflecting a casual, laid-back aesthetic. The design not only adds comfort underfoot but also has a distinctive, relaxed look that contrasts with more traditional carpet styles.