Where does “blitzer” come from?
blitzer (English) comes from German Blitz, from Middle High German blitze, from Old High German blëcchazzen, from Proto-Germanic blaikaz, from Proto-Indo-European bʰloyǵ-os, from Proto-Indo-European bʰleyǵ- — to shine.
blitzer (English): One engaging in a blitz
Ancestry of “blitzer”, step by step