having chest or breast pain from eating too much, or because they are full (see Molina)
IPAspelling:
eːlteːmilistɬi
Alonso de Molina:
eltemiliztli. dolor desta manera, o replecion. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 28v. col. 2. Thanks to Joe Campbell for providing the transcription.