machete.

(a loanword from Spanish)

Headword: 
machete.
Principal English Translation: 

a very large knife, almost sword-like (attested as a loanword from Spanish in a Nahuatl document from 1549)
Frances E. Karttunen and James Lockhart, Nahuatl in the Middle Years: Language Contact Phenomena in Texts of the Colonial Period (Berkeley: University of California Press, 1976), 56.

Attestations from sources in Spanish: 

ma:chet = machete
Ne ma:chet ne:mi tic ne ma:jsal. = El machete esta: en la rama. (Sonsonate, El Salvador, Nahuat or Pipil, s. XX)
Tirso Canales, Nahuat (San Salvador: Universidad de El Salvador, Editorial Universitaria, 1996), 11–12.

themes: 
Technology, Tools
Weapons, Shields, Heraldry