Accomplished

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late Middle English: from Old French acompliss-, lengthened stem of acomplir, based on Latin ad- ‘to’ + complere ‘to complete’.

wiktionary

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accomplished ( comparative more accomplished, superlative most accomplished)

etymonline

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accomplished (adj.)

late 14c., "completed, finished," past-participle adjective from accomplish (v.). From late 15c. as "perfect in acquirements as a result of training," from accomplish in an archaic sense "make complete by providing education in what is wanting," especially mental accomplishments and social graces.