Chicome Tecpatl.

Seven Flint; a calendar year; one of these was the equivalent of 1512 in the Christian calendar

Víctor M. Castillo F., "Relación Tepepulca de los señores de México Tenochtitlan y de Acolhuacan," Estudios de Cultura Náhuatl 11 (1974), 183–225, and see p. 209.