atoyahualoni.

Headword: 
atoyahualoni.
Principal English Translation: 

a pump for draining something (see Molina)

Orthographic Variants: 
atoyaualoni
Alonso de Molina: 

atoyaualoni. bomba para desaguar algo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 9r. col. 1. Thanks to Joe Campbell for providing the transcription.