cuixzac.

Headword: 
cuixzac.
Principal English Translation: 

even yet? even still? (an adverb) (see Molina)

Alonso de Molina: 

cuixzac. aun aun? aun todauia? 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.