👉 In linguistics, a "eponym" or "eponymon" is a word that has been used to refer to a concept before it was formally defined. This can be due to historical use, as in the case of the term 'the Great Depression', or by accident during language evolution. For example: 1. The Great Depression: An eponym (a term used before it was formally defined) 2. The Great War: Another eponym 3. The Industrial Revolution: Another