ixtenextic. descolorido asi. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 47v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
ĪXTENEXTIC someone pale from illness, pregnancy, or chill; someone showing only the whites of the eyes / descolorido por enfermedad, preñez, o frío (M), el ojo se le puso blanco (T) [(1)Tp.137]. See ĪX-TLI, TENEX-TLI. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 119.