Where does “Käfigläufer” come from?

Käfigläufer (German) comes from German Käfig, from Middle High German kevje, from Old High German chevia, from Latin cavea, from Latin cavus, from Proto-Italic kawos, from Proto-Indo-European ḱowh₁ós, from Proto-Indo-European ḱewh₁- — to swell; to be strong.

Käfigläufer (German): squirrel cage

Definitions

  1. squirrel cage

Ancestry of “Käfigläufer”, step by step

Käfigläufer traces back through two separate lines of ancestry.

via German Käfig

StepLanguageWordMeaning
1GermanKäfigcage
2Middle High Germankevje
3Old High Germancheviacave; cage
4Latincaveahollow, cavity; cage, den, enclosure, stall,...
5Latincavushollow, concave; excavated, channeled;...
6Proto-Italickawos
7Proto-Indo-Europeanḱowh₁óshollow
8Proto-Indo-Europeanḱewh₁-to swell; to be strong

via German Läufer

StepLanguageWordMeaning
1GermanLäuferagent noun of laufen; runner; runner; bishop
2Middle High Germanlöuferrunner
3Old High Germanloufāri
Every word from Proto-Indo-European ḱewh₁-Every word from Proto-Indo-European ḱowh₁ósEvery word from Proto-Italic kawos