A swift, sudden military offensive, usually by combined air and mobile land forces.
[German : Blitz, lightning (from Middle High German blitze, from bliczen, to flash, from Old High German blekkazzen; see bhel-1 in the Appendix of Indo-European roots) + Krieg, war (from Middle High German kriec, from Old High German krēg, stubbornness; see gwerə-1 in the Appendix of Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.