agrafe
noun
ə-ˈgraf 
variants or agraffe
: a hook-and-loop fastening
especially : an ornamental clasp used on armor or costumes
Word History
Etymology
borrowed from French agrafe, going back to Middle French agraffe, probably noun derivative of agrafer "to seize with a grappling hook, attach with a clasp," from a-, prefix forming transitive verbs (going back to Latin ad- ad-) + grafer, graffer "to clamp on," verbal derivative of grafe, graffe "hook," borrowed from Old High German khrapfo, going back to West Germanic *krappō — more at grape
First Known Use
circa 1660, in the meaning defined above