In a quick, nimble, and agile manner; moving or acting with ease and grace.
From Spanish agil (agile) plus the adverbial suffix -mente, which comes from Latin mente (with mind), literally meaning 'in a... way.' It's the Romance language equivalent of English -ly.
Many Spanish adverbs use -mente, but linguists have noticed that when you string too many together (like 'agilmente, rápidamente, fácilmente'), Spanish speakers actually drop the suffix from earlier words—a clever way to avoid tongue-twisting repetition.
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