Violin Strings Were Never Cat

The term 'catgut' is one of music's most persistent and grisly-sounding misnomers. For centuries, the resonant strings of violins, cellos, and even tennis rackets were not sourced from felines, but from a far more common origin: livestock. Craftsmen specifically used the submucosal layer of the small intestines of sheep, goats, or cattle. This tissue is composed almost entirely of collagen, a protein that gives the material incredible tensile strength and flexibility. When cleaned, stretched, and twisted into a cord, these natural fibers produce a string with a uniquely warm, rich, and complex tone that was prized for centuries of classical music.

The true origin of the misleading name remains a historical puzzle, though a few compelling theories exist. The most popular explanation is that 'catgut' is a simple linguistic corruption of 'cattlegut,' as cattle were one of the primary sources for