tepehuacan.

Headword: 
tepehuacan.
Principal English Translation: 

place of the possessors of the hills; part of a longer expression referring to towns: in ahuacan in tepehuacan = in the towns; water-possessor place, hill-possessor place; part of altepetl (atl + tepetl) (SW)

Attestations from sources in English: 

Ye yuh mahtlacxihuitl in opehualoc in atl in tepetl México, in ye omoman in mitl, in chimalli, in ye nohhuian ontlamatcaman in ahuacan, in tepehuacan. = It had been ten years since the altepetl [city-state] of Mexico had been conquered and the weapons of war had been laid down, and peace reigned in the altepetls all around....
Vistas: Visual Culture in Spanish America, 1520–1820, "Nican Mopohua: The Virgin Mary appears to Juan Diego in Mexico City," an account from ca. 1695, https://vistas.ace.fordham.edu/lib/17th/mary/