Complex sentence: The term "Nagual" was popularized in books by author Carlos Castaneda, although he had come up with a different meaning for the term, with very little relation to the Nahuatl definition.
Split into simpler sentences: The term "Nagual" was popularized in books by author Carlos Castaneda. Although he had come up with a different meaning for the term, with very little relation to the Nahuatl definition.