1430, "plug, bung," from M.Fr.
tampon, nasalized variant of O.Fr.
tapon "piece of cloth to stop a hole" (1382), a suffixed form of Frank.
*tappo "stopper, plug," related to O.H.G.
zapfo and O.E.
tæppa "stopper" (see
tap (2)). Meaning "wooden plug for the muzzle of a gun" (to keep out rain or seawater) is recorded from c.1625.