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Origin and history of rio

rio(n.)

"a river," from Spanish rio, from Latin rivus "brook, stream" (from PIE root *rei- "to run, flow").

Entries linking to rio

*rei-

Proto-Indo-European root meaning "to flow, run."

It might form all or part of: derive; ember-days; rennet (n.1); Rhine; rialto; rill; rio; rival; rivulet; run; runnel.

It might also be the source of: Sanskrit rinati "causes to flow," ritih "stream, course;" Latin rivus "stream;" Old Church Slavonic reka "river;" Middle Irish rian "river, way;" Gothic rinnan "run, flow," rinno "brook;" Middle Low German ride "brook;" Old English riþ "stream;" Old English rinnan, Old Norse rinna "to run," Dutch ril "running stream."

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