nealtiliztli.

Headword: 
nealtiliztli.
Principal English Translation: 

the act of bathing (see Molina)

IPAspelling: 
neɑltiːlistɬi
Alonso de Molina: 

nealtiliztli. el acto de bañarse.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 064r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

in jnnealtiliz pipiltotonti = the bathing of the babies (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 201.

themes: 
Cleanliness, Orderliness (or lack of)
Health, Sickness, Wellness, Medicine