a wing of a bird, or a wing made from paper (see Molina)
IPAspelling:
ɑhmɑːtɬɑpɑlli
Alonso de Molina:
amatlapalli. ala de aue, o de papel. 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.