-huac.

Headword: 
-huac.
Principal English Translation: 

(an ending that can serve to create an adjective of sorts; e.g. melāhuac = right, just)

Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 110.

Attestations from sources in English: 

catzāhuac = dirty, impure
patlāhuac = broad
chicāhuac = strong
pitzāhuac = narrow
chipāhuac = clean, pure
tomāhuac = fat
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 110.

See -also ehuac = done upon or before leaving.