moxixa.

Headword: 
moxixa.
Principal English Translation: 

to rust (see Karttunen)

Orthographic Variants: 
moxīxa
IPAspelling: 
moʃiːʃɑ
Frances Karttunen: 

MOXĪX(A) to rust / se oxida ... se enmohece (metal) (Z) [(5)Zp.52,92,175]. See XĪX(A).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 154.