-ehui.

Headword: 
-ehui.
Principal English Translation: 

verbal compounding element to turn out in a particular manner, to become (see Karttunen)

Orthographic Variants: 
-ēhui
IPAspelling: 
-eːwi
Frances Karttunen: 

-ĒHU(I) verbal compounding element to turn out in a particular manner, to become / pararse (K) This is attested in T and Z. It corresponds to the intransitive verb ĒHUA, which also appears in compounds. Both correspond to transitive ĒHU(A).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 76.