Huetzmalloyocan.

Headword: 
Huetzmalloyocan.
Principal English Translation: 

a place name, one of the boundaries of the Nonohualca of Tollan (Tula)
Historia Tolteca-Chichimeca, 4v. Taken from the image of the folio published in Dana Leibsohn, Script and Glyph: Pre-Hispanic History, Colonial Bookmaking, and the Historia Tolteca-Chichimeca (Washington D.C.: Dumbarton Oaks, 2009), 65. Paleography and regularization of this toponym by Stephanie Wood.

Orthographic Variants: 
vetzmalloyocan, uetzmalloyocan
Attestations from sources in English: 

This place name might have something to do with falling captive (see malli), along with the other possible roots.