bread with yeast (see Molina)
xocotexxo tlaxcalli. pan con leuadura. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 160v. col. 2. Thanks to Joe Campbell for providing the transcription.
Note the use of the term for tortillas as bread.