zazo quen.

Headword: 
zazo quen.
Principal English Translation: 

in whatever way, or in the manner of (an adverb)

Orthographic Variants: 
zazoquen, çaço quen, çaçoquen
Alonso de Molina: 

zazoquen. de qualquier manera, o dela maner aque. aduerbio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 13v. col. 2. Thanks to Joe Campbell for providing the transcription.