In a manner relating to or occurring within a glacier; describing something from an englacial perspective.
From englacial + -ly (the standard adverb-forming suffix in English). Created to express the adverbial form of the technical adjective englacial.
Scientific terminology adds layers of prefixes and suffixes that would be confusing to most people—'englacially' is so specialized that a glaciologist might say it once and no one else would ever use that exact word!
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