IPA: /mɪˈdiːvəlɪzəm/
KK: /mɪˈdiːvəlɪzəm/
A belief in or devotion to the ideas, customs, and practices of the Middle Ages, often reflected in art, literature, and culture.
The novel was influenced by medievalism, showcasing themes and styles from the Middle Ages.
Medievalism → It is formed from "medieval" (from Latin *medium aevum*, meaning the middle ages) and "-ism" (meaning a practice or belief). The word "medievalism" refers to the practice or belief related to the middle ages.
Think of the term 'medieval' which means relating to the middle ages, and remember that 'medievalism' refers to the practices or beliefs associated with that time.