cemman yan.

Headword: 
cemman yan.
Principal English Translation: 

all in all; or, ultimately (an adverb)

Alonso de Molina: 

cemman yan. de todo entodo, o vltimadamente. aduerbio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 16r. col. 2. Thanks to Joe Campbell for providing the transcription.