circumspection, great surveillance, and caution (see Molina)
IPAspelling:
neiːʃpetsolistɬi
Alonso de Molina:
neixpetzoliztli. circunspection y gran aduertencia y vigilancia. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 66v. col. 1. Thanks to Joe Campbell for providing the transcription.