atonahuiztli.

Headword: 
atonahuiztli.
Principal English Translation: 

a fever that alternates with a feeling of being cold (see Molina)

Orthographic Variants: 
atonauiztli
Alonso de Molina: 

atonauiztli. calentura tal.
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.

Attestations from sources in English: 

atonauiztli = fever
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan (Norman: University of Oklahoma Press, 1997), 284.

ynic pati xvmexiuitl yoã tlatzcaxiuitl. nicã mochiua = It is cured with xomexihuitl and tlatzcaxihuitl, which grow here (central Mexico, sixteenth century)
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 284.

themes: 
Health, Sickness, Wellness, Medicine