still yet? or yet perchance? (an adverb) (see Molina)
Orthographic Variants:
cuix çaoc, cuix za oc, cuixzaoc
Alonso de Molina:
cuix çaoc. aun toda via? o porventura todavia? aduerbio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 27v. col. 2. Thanks to Joe Campbell for providing the transcription.