to sit on one’s haunches (see Karttunen)
TZĪNTLĀLIĀ vrefl to sit on one’s haunches / se sienta en cuclillas (Z) [(2)Zp.114,174]. See TZĪN-TLI, TLĀLIĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 314.