What is the X in X-mas?
mid-13c., from Old French coveitos (12c., Modern French convoiteux) "desirous, covetous," from Vulgar Latin *cupiditosus, from Latin cupiditas (see covet). Related: Covetously; covetousness.
a strong desire after the possession of worldly things (Col. 3:5; Eph. 5:5; Heb. 13:5; 1 Tim. 6:9, 10; Matt. 6:20). It assumes sometimes the more aggravated form of avarice, which is the mark of cold-hearted worldliness.