Where does “ru” come from?

ru (Old French) comes 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,...

Ancestry of “ru”, step by step

StepLanguageWordMeaning
1Vulgar Latinriusriver
2Latinrīvusa small stream; brook, stream, rivulet
3Proto-Italicrīwos—
4Proto-Indo-Europeanh₃riH-wó-s—
5Proto-Indo-Europeanh₃reyH-to move, set in motion
6Proto-Indo-Europeanh₃er-to move, to stir; to rise, to spring; to quarrel,...

Words derived from “ru”

Every word from Proto-Indo-European h₃er- →Every word from Proto-Indo-European h₃reyH- →Every word from Proto-Indo-European h₃riH-wó-s →