Bracelet

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late Middle English: from Old French, from bras ‘arm’, from Latin bracchium .

wiktionary

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From Old French bracelet, diminutive form of bras(“arm”).

etymonline

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bracelet (n.)

"ornamental ring or clasped chain for the wrist," mid-15c., from Old French bracelet (14c.), diminutive of bracel, from Latin bracchiale "armlet," from bracchium "an arm, a forearm," from Greek brakhion "an arm" (see brachio-).