Where does “Langstreckenschwimmerin” come from?

Langstreckenschwimmerin (German) comes from German Langstreckenschwimmer, from German Langstrecke, from German Strecke, from German strecken, from Middle High German strecken, from Old High German strecken, from Proto-West Germanic strakkjan, from Proto-Indo-European (s)treg- — rigid, stiff; to be stiff, rigid, strong.

Ancestry of “Langstreckenschwimmerin”, step by step

StepLanguageWordMeaning
1GermanLangstreckenschwimmerlong-distance swimmer
2GermanLangstreckelong distance
3GermanStreckestretch; route
4Germanstreckento straighten, stretch; to elongate, lengthen; to...
5Middle High Germanstrecken—
6Old High Germanstrecken—
7Proto-West Germanicstrakkjanto stretch, to make straight
8Proto-Indo-European(s)treg-rigid, stiff; to be stiff, rigid, strong
Every word from Proto-Indo-European (s)treg- →Every word from Proto-West Germanic strakkjan →Every word from Old High German strecken →