something festering or rotten, a wound, sore, or tumor (see Karttunen)
IPAspelling:
pɑlɑʃtɬi
Frances Karttunen:
PALAX-TLI something festering or rotten, a wound, sore, or tumor / carne podrida (C for nacapalaxtli), llaga, herida, tumor (S) [(1)Cf.49v]. This implies an unattested verb *PALAY(A) 'to fester, become infected.' See PALĀN(I).
*PALAY(A) See PALAX-TLI. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 185.