In a way that lasts, persists, or continues for a long time; with lasting quality or permanence.
From 'enduring' (present participle of 'endure' used as adjective) plus '-ly' suffix, forming an adverb describing actions or qualities that persist over time.
When something affects us 'enduringly,' it leaves permanent marks—the word captures not just length of time but deep, lasting impact, which is why it matters in psychological and historical writing.
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