Where does “Rio” come from?

Rio (Portuguese) comes from Old Portuguese rio, 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,...

Rio (Portuguese): a large amount of anything

Definitions

  1. a large amount of anything

Ancestry of “Rio”, step by step

Rio traces back through two separate lines of ancestry.

via Old Portuguese rio

StepLanguageWordMeaning
1Old Portugueserioriver
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,...

via Portuguese Rio de Janeiro

StepLanguageWordMeaning
1PortugueseRio de JaneiroRiver of January

Words derived from “Rio

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