nahualtia.

Headword: 
nahualtia.
Principal English Translation: 

to hide oneself or protect oneself with something; to hide in the shadows of something; to hide behind someone (see Molina)

Orthographic Variants: 
naualtia
IPAspelling: 
nɑːwɑltiɑ
Alonso de Molina: 

naualtia. nicno. (pret. onicnonaualti.) esconderse o ampararse con algo.
naualtia tlayoalli nicno. tlayoalli onicnonaualti. esconderse ala sombra de algo.
naualtia. ninote. (pret. oninotenaualti.) esconderse de tras de alguno.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 063v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

The root of nahualtia, nahual-, "means to transform, convert, transfigure, disguise, re-clothe, mask oneself, conceal, camouflage, and finally to trick."
Katarzyna Mikulska Dabrowska, "'Secret Language' in Oral and Graphic Form: Religious-Magic Discourse in Actec Speeches and Manuscripts," Oral Tradition 25:3 (2010), 325–363, see page 327.