👉 Philo-mythia is a concept in Greek mythology that refers to the idea of an ancient civilization or state that was believed to have existed long before its own time, and which had a profound influence on later civilizations. The term comes from the Latin word "philos," meaning "of" or "upon," and "mythia," meaning "legend," as in mythological legend. In Greek mythology, there are several ancient civilizations that were believed to have existed before their own time.