fire of the sun (from a Nahua-Pipil song dedicated to the sun) Rudolf van Zantwijk, "El futuro de la lengua náhuatl (nahuatla'tolli)," Estudios de Cultura Náhuatl 42 (2011), 259–265, see page 261.
a sun ray; also, one of the names for the sun; "Resplendent One" Wimmer 2004, citing the Florentine Codex, 1580. In the Gran Diccionario Náhuatl, Marc Thouvenot, programmer, https://gdn.iib.unam.mx/diccionario/tonametl/265440.