xiuh iximatqui.

Headword: 
xiuh iximatqui.
Principal English Translation: 

an herbalist, one who works with herbs or greens (see Molina)

Orthographic Variants: 
xiuh yximatqui
Alonso de Molina: 

xiuh yximatqui. erbolario.
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.

Attestations from sources in English: 

A similar construction is "chalchiuh iximatqui," or one who works with the chalchihuitl, i.e. a lapidary.
Zelia Nuttall, "Chalchihuitl in Ancient Mexico," American Anthropologist 3 (1901), 229.