quachichiquilli. cresta de pluma. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 84r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
CUĀCHICHIQUIL-LI feather crest / cresta de pluma (M) [(1)Tp.129]. See CUĀ(I)-TL, CHICHIQUIL-LI. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 56.