Tlacuilocan.

Headword: 
Tlacuilocan.
Principal English Translation: 

the place of writing and painting; also the name of a place of worship, a temple made entirely of wood, where Ixtlilton or Tlaltetecuini, was worshipped (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 1 -- The Gods; No. 14, Part 2, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1950), 35.

Attestations from sources in English: 

In this temple were "many earthen bowls, covered over." They contained the "black water" of the deity. Apparently children who were ill would be brought for healing to this temple. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 1 -- The Gods; No. 14, Part 2, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1950), 35.