Elegance

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late 15th century: from French, or from Latin elegans, elegant-, related to eligere ‘choose, select’ (see elect).

wiktionary

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From Middle French élégance, from Latin ēlegantia(“exquisiteness; refinement, elegance”).

etymonline

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elegance (n.)

c. 1500, "tastefulness, correctness, harmoniousness, refinement," of speech or prose, from Latin elegantia "taste, propriety, refinement," from elegantem (see elegant). Earlier form was elegancy (early 15c.). Meaning "refined luxury" is from 1797. Via French come German Eleganz, Swedish elegans, etc.