poxcahui.

Headword: 
poxcahui.
Principal English Translation: 

to get moldy, dank (see Karttunen)

IPAspelling: 
poʃkɑwi
Frances Karttunen: 

POXCAHU(I) to get moldy, dank / enmohecerse o henchirse alguna cosa de orín (M) [(2)Zp.52,183]. See POXCAHUIYA.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 204.

Attestations from sources in English: 

puxcamotli = a variety of camote (poxcauh- = moldy)
Frances F. Berdan and Patricia Rieff Anawalt, The Codex Mendoza, 1992, vol. 1, 200).