aztlacapaltontli.

Headword: 
aztlacapaltontli.
Principal English Translation: 

a small wing of a bird (see Molina)

Alonso de Molina: 

aztlacapaltontli. ala pequeña de aue.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 10r. col. 2. Thanks to Joe Campbell for providing the transcription.