Tepeyollotl.

Headword: 
Tepeyollotl.
Principal English Translation: 

a deity's name ("Hill-Heart"), part of the Tetzcatlipoca complex, representing omnipotence, feasting and revelry, possibly also symbolic of the Earth
"Table 3. Major Deities of the Late Pre-Hispanic Central Mexican Nahua-Speaking Communities." Handbook of Middle American Indians, Volume 6: Social Anthropology, ed Manning Nash (Austin: University of Texas Press, 1967).

Attestations from sources in English: 

"Heart of the Hill," is the name of a patron deity (or divine force) in the tonalamatl divinatory calendar; he appears in the Codex Telleriano-Remensis, for example, in the trecena (thirteen-day cycle) #3, folio 9 verso
Eloise Quiñones Keber, Codex Telleriano-Remensis, 1995, 166.