gramática.

(a loanword from Spanish)

Headword: 
gramática.
Principal English Translation: 

grammar
(a loanword from Spanish)

Attestations from sources in English: 

tlamatiliztli, cuicatl, grammatica, etc. = some kind of knowledge, singing, grammar, etc. (16th c. central Mexico)
Thelma D. Sullivan, "Nahuatl Proverbs, Conundrums, and Metaphors, Collected by Sahagún," Estudios de Cultura Náhuatl 4 (1963), 98–99.