zan quemman.

Headword: 
zan quemman.
Principal English Translation: 

very few times, rarely; or, from time to time (see Molina)

Orthographic Variants: 
zanquemman, çan quemman, çanquemman
Alonso de Molina: 

zanquemman. pocas vezes, o de quando en quando, o detarde en tarde.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 14v. col. 2. Thanks to Joe Campbell for providing the transcription.