ixenacace.

Headword: 
ixenacace.
Principal English Translation: 

discreet, wise and understanding (see Molina)

Alonso de Molina: 

ixenacace. discreto sabio y entendido.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 45v. col. 1. Thanks to Joe Campbell for providing the transcription.