tocino chiahuacayotl.

(a loanword from Spanish)

Headword: 
tocino chiahuacayotl.
Principal English Translation: 

bacon fat (see Molina)
(partly a loanword from Spanish, tocino, bacon)

Orthographic Variants: 
tocino chiauacayotl
Alonso de Molina: 

tocino chiauacayotl. pingue de tocino, o de torrezno.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 148r. col. 2. Thanks to Joe Campbell for providing the transcription.