The action or process of wrapping something up or covering it completely.
From 'envelop' plus suffix '-ment' (condition or state). This suffix was commonly added to verbs in Middle English to create abstract nouns describing actions or results.
In military strategy, 'envelopment' is a tactical maneuver where forces surround an enemy—so the same word for wrapping a present also describes one of history's most dramatic battle formations.
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