Where does “Riesentorlauf” come from?

Riesentorlauf (German) comes from German Riese, from Middle High German rise, from Old High German riso, from Proto-West Germanic risi, from Proto-Germanic risiz, from Proto-Germanic rīsaną, from Proto-Indo-European h₁rey- — to arise, arise; to rise, arise; to rise; arise.

Ancestry of “Riesentorlauf”, step by step

Riesentorlauf traces back through two separate lines of ancestry.

via German Riese

StepLanguageWordMeaning
1GermanRiesegiant
2Middle High Germanrise—
3Old High Germanrisogiant
4Proto-West Germanicrisigiant
5Proto-Germanicrisiza giant
6Proto-Germanicrīsanąto scale; move vertically; to rise
7Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise

via German Torlauf

StepLanguageWordMeaning
1GermanTorlauf—
2GermanLaufa run; a leg of certain animals; barrel
3Middle High Germanlouf—
4Old High Germanhlouf—
5Proto-Germanichlaupąleap; course, race
6Proto-Germanichlaupanąto jump forward, to leap
7Proto-Indo-Europeanklaup-—
Every word from Proto-Indo-European h₁rey- →Every word from Proto-Germanic rīsaną →Every word from Proto-Germanic risiz →
Riesentorlauf — Etymology, Origin & Word History | Etymology Explorer