Bang

Originally a nickname denoting a loud or brash person, from Old Danish bang "noise" (from Old Norse banga "to pound, hammer" of echoic origin). A literary bearer was Danish author Herman Bang (1857-1912).
Known from an arms inventor Søren H. Bang of Copenhagen, Denmark whose name is found in US govt. patent files in 1908.

Bang is derived from the Korean word ‘sarangbang’ referring to a ‘room’.