capa tzontecomatl.

(a loanword from Spanish)

Headword: 
capa tzontecomatl.
Principal English Translation: 

hood of the cape (?), top of the cape (?) (partially a loanword from Spanish)

Alonso de Molina: 

capa tzontecomatl. capilla de capa. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 12v. col. 1. Thanks to Joe Campbell for providing the transcription.