
English word run comes from Proto-Indo-European *ren-, and later Proto-Germanic *rannijaną (To cause to flow. To cause to run.)
*ren- (Proto-Indo-European)
to rise and sink, bob, to rise; to sink
*rannijaną (Proto-Germanic)
To cause to flow. To cause to run.
rinna (Old Norse)
(intransitive) to melt. (intransitive) to run (move quickly). (intransitive, of liquid) to flow, run.
rinnan (Old English)
To run.
irnan (Old English)
rinnen (Middle English)
ronnen (Middle English)
run (English)
(archaic) To be popularly known; to be generally received.. (copulative) To become different in a way mentioned (usually to become worse).. (figurative, transitive) To go through without stopping, usually illegally.. (fluids) To flow.. (golf) To strike (the ball) in such a way as to cause it to run along the ground, as when approaching a hole.. (intransitive) Of a liquid, to flow.. [...]