Containing, composed of, or resembling gum; having gum-like properties or characteristics.
From Latin 'gummi' (gum) plus the adjectival suffix '-ous,' meaning 'full of or characterized by.' This is one of the most common adjective suffixes in English, seen in 'dangerous,' 'famous,' and 'anxious.'
The '-ous' suffix is incredibly productive—almost any noun can become an adjective by adding '-ous,' which is why we can create 'gummous,' 'luminous,' 'glamorous,' and countless other descriptive words.
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