xiuhtonalli.

Headword: 
xiuhtonalli.
Principal English Translation: 

year count, year sign (see attestations)

Attestations from sources in English: 

Auh in omomā chimalli: inic tixitinque, in xiuhtonalli ei calli. Auh in cemilhuitlapoalli ce coatl. = And when the weapons were laid down and we collapsed, the year count was Three House, and the day count was One Serpent.
James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 248.

Attestations from sources in Spanish: 

axcan ipan xiuhtonalli umacatl = en el signo anual Dos Caña (centro de México, s. XVI)
Víctor M. Castillo F., "Relación Tepepulca de los señores de México Tenochtitlan y de Acolhuacan," Estudios de Cultura Náhuatl 11 (1974), 183–225, y ver la pág. 224—225.