vigilance, surveillance, circumspection (see Molina)
IPAspelling:
neiːʃpehpetsolistɬi
Alonso de Molina:
neixpepetzoliztli. lo mesmo es que neixpetzoliztli. 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.