 The words "cacaua atl" mean drink of cacao.The word "xocolatl" does not appear in Molina's dictionary, "Vocabulario en Lengua Castellana y Mexicana y Mexicana y Castellana".The new craze for chocolate brought with it a thriving slave market, as between the early 17th and late 19th centuries the laborious and slow processing of the cacao bean was manual.