Chacalin.

a person's name, e.g. don Constantino Chacalin, a ruler from Michoacan who was married to doña Agustina de Guzmán, who would become an important figure in Coyoacan; the word chacalin means "large shrimp" (central Mexico, 1614)
see Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 282–283.