Where does “Stuerk” come from?

Stuerk (Luxembourgish) comes from Middle High German storc, from Old High German *stork, from Proto-Germanic sturkaz, from Proto-Indo-European sr̥ǵos — stork.

Ancestry of “Stuerk”, step by step

StepLanguageWordMeaning
1Middle High Germanstorc—
2Old High German*stork—
3Proto-Germanicsturkazstork
4Proto-Indo-Europeansr̥ǵosstork
Every word from Proto-Indo-European sr̥ǵos →Every word from Proto-Germanic sturkaz →Every word from Old High German *stork →