tlamamatlatl.

Auh yn oqujpantlaz, yn izquj tlamamatlatl = And when he had mounted all the steps (central Mexico, sixteenth-century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 2 -- The Ceremonies, no. 14, Part III, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 68.

In ye tlecuilixquac, in ye tlamamatlac. Inin tlatolli: intech mitoaya, in ye onmictilozque, in ye ontlecauilo, inic miquizque: anozo tetlecuilixquac ontlaliloque, ye inman in miquizque: uel achto ye nemachtiloya, inic ayac iuhqui in muchioaz in = Now in front of the fire, now on the step. This was said about those who were to be sacrificed and were taken up the pyramid to die, or were placed before the fire when the moment came for them to die. (central Mexico, sixteenth-century)
Thelma D. Sullivan, "Nahuatl Proverbs, Conundrums, and Metaphors, Collected by Sahagún," Estudios de Cultura Náhuatl 4 (1963), 142–143.