Final answer:
The word that best matches glimmeringly is 'weakly' as it implies a dim or faint visibility, similar to the glimmering of the campfire.
Step-by-step explanation:
The word in italics in the sentence is glimmeringly. In this context, the word glimmeringly describes the visibility of the campfire between the trees. To choose the word or phrase that best matches glimmeringly, we need to find a synonym or word that conveys a similar meaning. The word that best matches glimmeringly is weakly, as it implies a dim or faint visibility, similar to the glimmering of the campfire.
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