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noun, masculine

ru

/ʁy/

noun, masculine/ʁy/plural: rus

small stream

Inherited from Old French ru, riu, from Vulgar Latin *rius, from Latin rīvus (“brook, small stream”), from Proto-Indo-European *h₃rih₂wós (from *h₃reyh₂- (“to flow; to move, set in motion”) + *-wós).