grapneln.

grapnelgrapnel: see grapegrapnel (n.)"small hook," especially one fixed on a rope and thrown for seizing and holding, late 14c., grapenel, from an assumed Anglo-French diminutive of grapon, from Old French grapil, grapin "hook," diminutive of grape "hook" (see grape). Earlier form was grapel (compare grapple (n.)).