Where does “ru” come from?

ru (French) comes from Old French ru, from Vulgar Latin rius, from Latin rīvus, from Proto-Italic rīwos, from Proto-Indo-European h₃riH-wó-s, from Proto-Indo-European h₃reyH-, from Proto-Indo-European h₃er- — to move, to stir; to rise, to spring; to quarrel,...

ru (French): small stream

Definitions

  1. small stream

Ancestry of “ru”, step by step

StepLanguageWordMeaning
1Old Frenchru
2Vulgar Latinriusriver
3Latinrīvusa small stream; brook, stream, rivulet
4Proto-Italicrīwos
5Proto-Indo-Europeanh₃riH-wó-s
6Proto-Indo-Europeanh₃reyH-to move, set in motion
7Proto-Indo-Europeanh₃er-to move, to stir; to rise, to spring; to quarrel,...
Every word from Proto-Indo-European h₃er-Every word from Proto-Indo-European h₃reyH-Every word from Proto-Indo-European h₃riH-wó-s