salt works, or the place where salt is made (see Molina)
Orthographic Variants:
iztachiualoyan
IPAspelling:
istɑtʃiːwɑloːjɑːn
Alonso de Molina:
iztachiualoyan. salinas, o el lugar donde se haze la sal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 49r. col. 2. Thanks to Joe Campbell for providing the transcription.