chixcaca. nino. (pret. oninochixcacatca.) tener confianza, o esperar algun beneficio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 21v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
CHIXCĀCAH vrefl to be expecting something good / tener confianza, o esperar algún beneficio (M) [(3)Bf.2v,3r,5v,(1)Cf.107r]. One of the B attestations has a long vowel in the first syllable which reflects the general variation of preterit CHIX ~ CHĪX. See CHIY(A), the verb CĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 53.