elcacatzcac.

Headword: 
elcacatzcac.
Principal English Translation: 

someone with chest pain or stomach ache caused by having eaten a lot (see Molina)

Alonso de Molina: 

elcacatzcac. el que esta coneste dolor de pechos.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 28r. col. 2. Thanks to Joe Campbell for providing the transcription.