teyacana.

Headword: 
teyacana.
Principal English Translation: 

to be a leader, to lead people (verb); he who guides others (noun)

Alonso de Molina: 

teyacana. el que guia a otro.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 94r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

motlalli yn tlaçotzin yn teyacanaz = Tlaçotzin was installed to be leader
(1608, Central Mexico)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 120–121.