An Etymological Dictionary of the German Language/Geschoß

by Friedrich Kluge

Geschoß, n., ‘shot, missile, dart,’ even MidHG. geschoȥ, OHG. giscoȥ, n., akin to schießen. So too Geschütz, ‘artillery, ordnance,’ even in MidHG. geschütze, n., ‘arms, weapons for shooting,’ occurs as a collective of Geschoß.