Entries related to sub-machine-gun
In Latin assimilated to following -c-, -f-, -g-, -p-, and often -r- and -m-. In Old French the prefix appears in the full Latin form only "in learned adoptions of old Latin compounds" [OED], and in popular use it was represented by sous-, sou-; as in French souvenir from Latin subvenire, souscrire (Old French souzescrire) from subscribere, etc.
The original meaning is now obscured in many words from Latin (suggest, suspect, subject, etc.). The prefix is active in Modern English, sometimes meaning "subordinate" (as in subcontractor); "inferior" (17c., as in subhuman); "smaller" (18c.); "a part or division of" (c. 1800, as in subcontinent).
"a gun which by means of a mechanism delivers a continuous fire of projectiles," 1870, from machine (n.) + gun (n.). As a verb, "to shoot down or kill by means of a machine gun," it is attested by 1915. Related: Machine-gunned; machine-gunning; machine-gunner.
A man is entitled to the fruits of his labor, and to assert a just claim is a duty as well as a right. In the year 1861 I first conceived the idea of a machine gun, which has been ever since the great controlling idea of my life; and it certainly cannot be regarded as egotism when I express the belief that I am the originator of the first successful weapon of the kind ever invented. [R.J. Gatling, quoted in Scientific American, Oct. 15, 1870]
Though in the light of subsequent advancements Gatling's invention of 1862 is not considered a modern machine-gun.