1789, from Latin pugil "boxer, fist-fighter," related to pugnus "fist" (from suffixed form of PIE root *peuk- "to prick") + -ism. Pugilation "fighting with fists," now obsolete, is recorded from 1650s.
puffer
puffery
puffin
puffy
pug
pugilism
pugilist
pugnacious
pugnacity
pug-nose
puisne