To make glutinous or sticky; to coat or treat with a glue-like substance.
From gluten plus the verb-forming suffix -ize (from Greek -izein). The -ize ending typically means to make something or cause it to become something.
The -ize suffix is incredibly productive in English—you can add it to almost any noun or adjective to create a verb, which is why languages are always developing new words to describe what we do.
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