from The Century Dictionary.
- noun In archery, a piece of bone, stone, stiff leather, or other material worn on the left wrist as a protection against the released bow-string.
Sorry, no etymologies found.
Her arms were bare save for a thick bracelet of silver on her right wrist; on her left was a wrist-guard of black leather.
He twisted a heavy silver wrist-guard absently, not looking up.
Buckskin wrist-guard, to protect the wrist from the bowstring when shooting arrows.
Illustrated Catalogue Of The Collections Obtained From The Indians Of New Mexico And Arizona In 1879 Second Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1880-81, Government Printing Office, Washington, 1883, pages 307-428
A wrist-guard would have saved it, but I wasn’t wearing one.