Where does “gajgi” come from?

gajgi (Polish) comes from German Geige, from Middle High German gīge, from Old High German gīga, from Proto-Germanic gīganą, from Proto-Indo-European gʰeyǵʰ-.

Ancestry of “gajgi”, step by step

StepLanguageWordMeaning
1GermanGeigeviolin, fiddle
2Middle High Germangīge—
3Old High Germangīgafiddle
4Proto-Germanicgīganąto move, wish, desire
5Proto-Indo-Europeangʰeyǵʰ-—
Every word from Proto-Indo-European gʰeyǵʰ- →Every word from Proto-Germanic gīganą →Every word from Old High German gīga →