What is the X in X-mas?
c.1300, "Supreme Being," from Anglo-French creatour, Old French creator (12c., academic and liturgical, alongside popular creere, Modern French créateur), from Latin creator "creator, author, founder," from creatus (see create). Translated in Old English as scieppend (from verb scieppan; see shape (v.)). Not generally capitalized until KJV. General meaning "one who creates" is from 1570s.