amatlacuiloltzacotli.

Headword: 
amatlacuiloltzacotli.
Principal English Translation: 

a sealed letter or piece of writing (see Molina)

Orthographic Variants: 
amatlacuiloltzacutli
Alonso de Molina: 

amatlacuiloltzacutli. carta o escriptura cerrada.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 4v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

Morphology: amatl (paper), tlacuilolli (a piece of writing or a painting; tzacotli (paste/glue). (SW)