Where does “Rundumkennleuchte” come from?

Rundumkennleuchte (German) comes from German Kennleuchte, from German kennen, from Middle High German kennen, from Old High German kennen, from Proto-West Germanic kannijan, from Proto-Germanic kannijaną, from Proto-Indo-European ǵn̥néh₃ti, from Proto-Indo-European ǵneh₃- — to know.

Rundumkennleuchte (German): emergency light, flashing or rotating light, especially on an emergency vehicle

Definitions

  1. emergency light, flashing or rotating light, especially on an emergency vehicle

Ancestry of “Rundumkennleuchte”, step by step

Rundumkennleuchte traces back through two separate lines of ancestry.

via German Kennleuchte

StepLanguageWordMeaning
1GermanKennleuchtemarker light
2Germankennento know; to be acquainted with; to be familiar...
3Middle High Germankennento know
4Old High Germankennento know, to be aware of
5Proto-West Germanickannijanto know, to be aware of
6Proto-Germanickannijanąto make known
7Proto-Indo-Europeanǵn̥néh₃tito know, recognize
8Proto-Indo-Europeanǵneh₃-to know

via German rundum

StepLanguageWordMeaning
1Germanrundumall around
Every word from Proto-Indo-European ǵneh₃-
Rundumkennleuchte — Etymology, Origin & Word History | Etymology Explorer