pitztic.

Headword: 
pitztic.
Principal English Translation: 

something lean, tough (See Karttunen)

IPAspelling: 
pitstik
Frances Karttunen: 

PITZTIC something lean, tough / delgado (animal o hombre), duro, macizo, tieso, paralítico (T for CUAUHPITZTIC] [(2)Tp. 119,137,(4)Xp.38,64]. This is not attested as a free form but only as the second element of two compounds in T. X reduces TZT to ZT. See PITZAC-TLI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 199.