The Eastern Christian Church first celebrated a "Feast of the Conception of the Most Holy and All Pure Mother of God" on December 9, perhaps as early as the 5th century in Syria. The original title of the feast focused more specifically on Saint Anne, being termed "sylepsis tes hagias kai theoprometoros Annas"" ("conception of Saint Anne, the Ancestress of God"). By the 7th century, the feast was already widely known in the East. However, when the Eastern Church called Mary "achrantos" ("spotless" or "immaculate"), this was not defined doctrine.