Buckle comes from the Latin word for "cheek" — the cheek strap of a Roman helmet had a clasp that gave its name to every belt fastener that followed.
A clasp with a hinged pin used for fastening a belt, strap, or shoe. As a verb, to fasten with a buckle, or to bend and collapse under pressure.
From Old French bocle (boss of a shield, buckle), from Latin buccula (cheek strap of a helmet, small cheek), diminutive of bucca (cheek, mouth) Key roots: buccula (Latin: "cheek strap, small cheek"), bucca (Latin: "cheek, mouth").
Buckle comes from a Latin word for "cheek" — because the cheek strap of a Roman helmet was called a buccula (little cheek), and the clasp that fastened it gave its name to all buckles. French boucle also means "curl" or "loop," giving English "bouclé" (a looped yarn fabric). The phrase "buckle down" (to apply