nacazcuicuitlatl. cera delos oydos. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 062r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
NACAZCUIHCUITL(A)-TL earwax / cera de los oídos (M) [(1)Zp.175]. The single attestation in Z has CHI for the third syllable instead of CUIH. See NACAZTECUIHCUITL(A)-TL. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 156.