A swift, sudden military offensive, usually by combined air and mobile land forces.
ETYMOLOGY:
German : Blitz, lightning (from Middle High German blitze, from bliczen, to flash, from Old High German blekkazzen; see bhel-1 in Appendix I) + Krieg, war (from Middle High German kriec, from Old High German krg, stubbornness; see gwer-1 in Appendix I).