James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 218.
Orthographic Variants:
huihuitoni, uihuitomi
IPAspelling:
wiwitomi
Alonso de Molina:
uiuitomi. ni. (pret. oniuiuitun.) enfermizo que no se puede tener de flaco. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 158r. col. 1. Thanks to Joe Campbell for providing the transcription.