the
Middle Ages, especially the earlier part from about a.d. 476 to about the end of the 10th century: so called from the idea that this
period in Europe was characterized by intellectual stagnation, widespread ignorance and poverty, and cultural
decline.
—The Anatomy of the Human Mind Glossary, —SHSBC Binder 19 Approved Glossary, —DMSMH Glossary (app. 14.7.90), —9th ACC Volume 1 Approved Glossary