tlatocan.

Headword: 
tlatocan.
Principal English Translation: 

palace of a lord; the place where the ruler was located

Orthographic Variants: 
tlahtocan
IPAspelling: 
tɬɑhtohkɑːn
Alonso de Molina: 

tlatocan. corte o palacio de grandes señores.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 140v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in Spanish: 

tlahtocan = lugar donde se ejerce el mando
Miguel León-Portilla, "Los nombres de lugar en náhuatl," Estudios de Cultura Náhuatl 15 (1982), 39.