xiuh izhuatl.

Headword: 
xiuh izhuatl.
Principal English Translation: 

the leaf of an herb (see Molina)

Orthographic Variants: 
xiuh yzuatl
Alonso de Molina: 

xiuh yzuatl. hoja de yerua.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 159v. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

IZHUA-TL is an inalienable possessed form
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 123.

Attestations from sources in English: 

izhuatl = a leaf of a tree, etc.
Daniel Brinton, Ancient Nahuatl Poetry, Project Gutenberg, http://www.gutenberg.org/files/12219/12219–h/12219–h.htm.