tlacazo.

Headword: 
tlacazo.
Principal English Translation: 

for god’s sake (an expression of surprise at a discovery) (see Karttunen)

Orthographic Variants: 
tlacàço
IPAspelling: 
tɬɑkɑhso
Frances Karttunen: 

TLACAHZO. expression of surprise at a discovery, for god’s sake / válgame Dios, adverbio de que usa el que con admiración cae en la cuenta de algo que no había reparado, o a lo menos se confirma en aquella verdad (C) This is abundantly attested in C and also appears in R. See TLACAH, ZO.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 251.

Horacio Carochi / English: 

tlacàço = interjection, I'll be
Horacio Carochi, S.J., Grammar of the Mexican language with an explanation of its adverbs (1645), translated and edited with commentary by James Lockhart, UCLA Latin American Studies Volume 89 (Stanford: Stanford University Press, UCLA Latin American Center Publications, 2001), 513.

themes: 
Religion (Christian)