to break a leg (see Karttunen)
(I)CXIPOZTEQU(I) vrefl to break a leg / se quiebra la pata, la pierna (T) [(3)Tp.148]. See (I)CXI-TL, POZTEQU(I). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 95.