ayauhcozamalotl.

Aiauhcoçamaiotl. Iuhquin uitoliuhqui: tlauitoltic, coltic, inic oalmoquetza, tlatlatlapalpaolli, motlatlapalpouh in itlachieliz. In centlamantli tlapalli, itech neci: xoxoctic, quiltic, quilpaltic iiapaltic, quilpalli, iiapalli: yoan coztic, xopaltic, xochipalli: niman ie chichiltic, tlapaltic: yoã tlaztaleoaltic, tlaztaleoalli: yoan texôtic, texôtli, matlactic, matlalli. = The Rainbow. As if arched -- bent and rounded -- it thus appeared. Varicolored, many-hued was its appearance. The single colors which showed in it [were] green, dark green, blue green, and black; and yellow and orange or tawny; then vermillion and ruby red; and [various shades of] blue, and dark green. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 7 -- The Sun, Moon, and Stars, and the Binding of the Venus, No. 14, Part VIII, 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, 1961), 18.

çan iuhqui yn coçamalutl omochiuh ytech motecac yn tetepe = una especie de arco rirs apareció y se colocó sobre los cerros (Tlaxcala, 1662–1692)
Juan Buenaventura Zapata y Mendoza, Historia cronológica de la Noble Ciudad de Tlaxcala, transcripción paleográfica, traducción, presentación y notas por Luis Reyes García y Andrea Martínez Baracs (Tlaxcala y México: Universidad Autónoma de Tlaxcala, Secretaría de Extensión Universitaria y Difusión Cultural, y Centro de Investigaciones y Estudios Superiores en Antropología Social, 1995), 356–357.