"Buffer" is a word in ENGLISH

A wheel for buffing; a buff.

A pad or cushion forming the end of a fender, which
receives the blow; -- sometimes called buffing apparatus.

One who polishes with a buff.

An elastic apparatus or fender, for deadening the jar
caused by the collision of bodies; as, a buffer at the end of a
railroad car.

A good-humored, slow-witted fellow; -- usually said of an
elderly man.