coaxincayotl.

Headword: 
coaxincayotl.
Principal English Translation: 

the skin or hide of a snake (see Molina)

Alonso de Molina: 

coaxincayotl. hollejo, pellejo, o cuero de culebra.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 23r. col. 1. Thanks to Joe Campbell for providing the transcription.