Pliers
来自Big Physics
mid 16th century: from dialect ply ‘bend’, from French plier ‘to bend’, from Latin plicare ‘to fold’.
wiktionary
From ply(“to bend”) + -er + -s
pliers
etymonline
pliers (n.)
"small pincers with long jaws adapted for holding small articles," 1560s, plural agent noun from ply (v.2). French cognate plieur meant "folder."