pipitzcaliztli.

Headword: 
pipitzcaliztli.
Principal English Translation: 

a whinnying, a shriek, a squeak (see Molina)

IPAspelling: 
pipitskɑlistɬi
Alonso de Molina: 

pipitzcaliztli. bramido, relincho, o chillido desta manera.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 82r. col. 2. Thanks to Joe Campbell for providing the transcription.