zan iyulic.

Headword: 
zan iyulic.
Principal English Translation: 

slowly, or bit by bit (an adverb)

Orthographic Variants: 
zaniyulic, zan iyulic, zan iyolic, çaniyulic
Alonso de Molina: 

zaniyulic. manssamente, contiento, o poco apoco. (aduerbio.)
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 14r. col. 2. Thanks to Joe Campbell for providing the transcription.