cometa.

(a loanword from Spanish)

Headword: 
cometa.
Principal English Translation: 

comet
(a loanword from Spanish)

Attestations from sources in English: 

omotlali çe cometa yuhqui tonalmitl oquistihcaya oncan ytlamelauhca yn tepexochotzin = a comet appeared; it would come out like a ray of sunshine in a straight line toward Mount Tepexochotzin.
Here in This Year: Seventeenth-Century Nahuatl Annals of the Tlaxcala-Puebla Valley, ed. and transl. Camilla Townsend, with an essay by James Lockhart (Stanford: Stanford University Press, 2010), 146–147.