noun
medieval history
Refers to the academic field or historical period of the Middle Ages, especially in European or Japanese contexts.
See also: 中世
大学で中世史を専攻しています。
I'm majoring in medieval history at university.
この本はヨーロッパ中世史の入門書です。
This book is an introduction to European medieval history.
古代史 is 'ancient history', covering earlier periods than 中世史.
近代史 is 'modern history', covering later periods than 中世史.
Compound of 中世 (medieval times) and 史 (history).