the Morning Star; also, Xiuhnel was the name of a Cloud Serpent {mixcoatl) in an origin story studied by Williard Gingerich; Xiuhneltzin was a Chichimec ruler who governed in Temilco; the name Xiuhnel was also taken by tribute payers, such as in the area of Mexico City, held by a man who lived in the city prior to the Spanish invasion) see attestations; it is also regularly attested in sixteenth-century Huejotzingo (contemporary state of Puebla).
herbal mixer is the translation Hanns J. Prem gave this name (Kräutermischerin) in his study of the Matrícula de Huexotzinco (1974, 667)
incapable is the translation of A. Wimmer (2004), citing the Florentine Codex, Book 10, f. 49, according to the Gran Diccionario Náhuatl
a woman's name; in the Historia Tolteca Chichimeca, she is mentioned as being a wife (zohuatl), apparently of an Olmec Xicalanca tlahtoani (sixteenth century, Quauhtinchan) Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 152.
apparently a motmot, perhaps the blue-crowned Mexican motmot See the Gran Diccionario Náhuatl, where Wimmer (2004) mentions the "momot" (in the French spelling) and cites Bierhorst, who notes that the feathers are green. https://gdn.iib.unam.mx/diccionario/xiuhquechol/76351.
a place name, one of the boundaries of the Nonohualca of Tollan (Tula) Historia Tolteca-Chichimeca, 4v. Taken from the image of the folio published in Dana Leibsohn, Script and Glyph: Pre-Hispanic History, Colonial Bookmaking, and the Historia Tolteca-Chichimeca (Washington D.C.: Dumbarton Oaks, 2009), 65. Paleography and regularization of this toponym by Stephanie Wood.
this divine force was one of the earliest known deities of Mesoamerica, the "old, old" divine force of fire; references to Xiuhtecuhtli are prominent in the Templo Mayor, even if he appears as a "minor god" in the Florentine Codex, according to Leonardo López Luján (referenced by Patrick Hajovsky); Hajovsky adds that "Xiuhtecuhtli conflates notions of turquoise as fire-heat (tonalli) and time, and as H. B. Nicholson attests, he was "the archetype of all rulers." These attributes originated in the father of Tezcatlipoca, who was Huehueteotl-Xiuhtecuhtli, also attributed as the "progenitor of all the gods" according to Thelma Sullivan. Patrick Thomas Hajovsky, On the Lips of Others: Moteuczoma's Fame in Aztec Monuments and Rituals (Austin: University of Texas Press, 2015), 88.