doo: softened animal skin. hide.
it is wear and tear that makes a hide appear as if it was never part of an animal slaughtered for its meat.
After an animal is slaughtered for its meat, the hide is retained for use and generally wears out with time. Hides have always been used for a variety of purposes which include clothing, packaging, music instruments and certain household items.
Even that which is aged or worn out was once young, new, fresh or vibrant.