Where does “Rheinfall” come from?

Rheinfall (German) comes from German Rhein, from Middle High German Rīn, from Old High German Rīn, from Proto-West Germanic *Rīn, from Proto-Germanic Rīnaz, from Gaulish Rēnos, from Proto-Celtic Reinos, from Proto-Indo-European h₃reyH- — to move, to stir; to rise, to spring; to quarrel,...

Ancestry of “Rheinfall”, step by step

Rheinfall traces back through two separate lines of ancestry.

via German Rhein

StepLanguageWordMeaning
1GermanRheinRhine; the river Rhine
2Middle High GermanRīn
3Old High GermanRīn
4Proto-West Germanic*Rīnthe river Rhine
5Proto-GermanicRīnazthe river Rhine
6GaulishRēnosthat which flows
7Proto-CelticReinosriver, waterway
8Proto-Indo-Europeanh₃reyH-to move, set in motion
9Proto-Indo-Europeanh₃er-to move, to stir; to rise, to spring; to quarrel,...

via German fäll

StepLanguageWordMeaning
1Germanfällsingular imperative of fällen; first-person...
2Middle High Germanvalfall; case
3Old High Germanvalfall
4Proto-West Germanicfalla fall; death, destruction, downfall
5Proto-Germanicfallaza fall; death, destruction, downfall
6GermanFalzfold; rabbet, rebate; seam
7Latinfalxsickle, scythe; a hook used to pull down walls
8Proto-Indo-Europeandʰelg-a cutting tool; to stick; needle, pin
Every word from Proto-Indo-European h₃er-