to become flat, to collapse (See Karttunen); to become large, wide, broad (SW)
IPAspelling:
pɑtɬɑtʃiwi
Frances Karttunen:
PATLACHIHU(I) to become flat, to collapse / se aplasta (T) [(1)Tp.173]. This is synonymous with the reflexive use of PATLACHOĀ. See PATLACHOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 189.