cochino.

Pig farms were abundant in the Valley of Toluca.

cochinito = a loanword from Spanish, meaning piglet
Caterina Pizzigoni, ed., Testaments of Toluca (Stanford: Stanford University Press and UCLA Latin American Center Publications, 2007), 28.

se macho onictlaneuhti nomonta yhua nomona yhua macuili cochinitos tepitoto = I rented a male mule to my father-in-law and my mother-in-law, and 5 small pigs (Santa Ana, Toluca Valley, 1737)
Caterina Pizzigoni, ed., Testaments of Toluca (Stanford: Stanford University Press and UCLA Latin American Center Publications, 2007), 120.