The pistol, and especially the 9 x 19 mm cartridge for it, designed by George Luger and adopted by the German army in 1908.
A type of 9mm ammunition used in some live-firing pistols and SMGs. The Parabellum name comes from ancient Latin saying Si vis Pacem, Para bellum - if you want Peace, prepare for War.
(n.) Latin word meaning "for war." It is actually the proper name of the semiautomatic pistol commonly known in the USA as the " Luger."