Where does “Rhenish” come from?

Rhenish derives from Middle English -isch, Old English -isċ, Proto-Germanic Rīnaz, Gaulish Rēnos, Proto-Indo-European -iskos, and ultimately Proto-Indo-European h₃reyH-.

Rhenish (English): Pertaining to wine produced in the Rhine region;...

Definitions

  1. Pertaining to wine produced in the Rhine region;...

Ancestry of “Rhenish”, step by step

StepLanguageWordMeaning
1EnglishRhineA watercourse; a ditch for water
2Middle EnglishRine
3Old EnglishRīnthe Rhine
4Middle High GermanRīn
5Old High GermanRīn
6Proto-West Germanic*Rīnthe river Rhine
7Proto-GermanicRīnazthe river Rhine
8GaulishRēnosthat which flows
9Proto-CelticReinosriver, waterway
10Proto-Indo-Europeanh₃reyH-to move, set in motion
11Proto-Indo-Europeanh₃er-to move, to stir; to rise, to spring; to quarrel,...
Every word from Proto-Indo-European h₃er-