Principal English Translation:
at the palace of (a necessarily possessed form; see attestations and see Karttunen)
Attestations from sources in English:
itlatocachantzinco = His royal palace
Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 88–89.
Attestations from sources in Spanish:
itlatocachantzinco = su celestial Reyno.
Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 88–89.