Copal (copalli) is a Nahuatl word to describe scented smoke. Copal is a smoky sweet incense derived from tree sap that was used by ancient North American Aztec and Maya cultures in a range of ritual ceremonies. Copal is a resin from sacred trees, spiritually, copal is referred to as the blood of trees. Copal is seen as a sacred and pure medicine to pray and cleanse your energy and home with.