Neither shalt thou bring an abomination into thine house, lest thou be a cursed thing like it: but thou shalt utterly detest it, and thou shalt utterly abhor it; for it is a cursed thing. (Deuteronomy 7:26)
That is, devoted to destruction. To touch or harbor that which was destined for destruction was to suffer the same fate. Compare God’s message to Ahab (1 Kings 20:42).