Other forms: reruns, reran
To rerun is to show or run something again. Rerun the episode, endless reruns, rerun the test.
In broadcasting a rerun is a repeat, and in America it is the whole economics of a long-running series. In science, rerunning an experiment is what makes a result trustworthy, and results that do not survive it are the replication problem. Note that the noun is stressed on the first syllable and the verb on the second.
1verbrerunTo show or run something again.
“The scientists reran the experiment to make sure the results were right.”
2nounrepeatedA repeated broadcast.
“There's nothing new on TV tonight, just reruns of old sitcoms.”
rerun is a repeat.
Proto-Indo-European
*h₃er-
Proto-Indo-European
*h₃reyH- — to boil, churn
Proto-Germanic
*rinnaną — to run
Old Norse
rinna — to run
Old English
rinnan
Middle English
runnen
English
run
English, today
rerun
Built from
From re- + run. run comes from Middle English runnen, rennen (“to run”), alteration (due to the past participle runne, runnen, yronne) of Middle English rinnen (“to run”), from Old English rinnan, iernan (“to run”) and Old Norse rinna (“to run”), both from Proto-Germanic rinnaną (“to run”), from Proto-Indo-European h₃reyH- (“to boil, churn”). Cognate with Scots rin (“to run”), West Frisian rinne (“to walk, march”), archaic Dutch rinnen (“to flow”, still in geronnen), German rinnen (“to flow”), Swedish rinna (“to flow”), and Icelandic renna (“to flow”). From the causative rannijaną (“to make run”) are Dutch rennen, German rennen, Danish rende, Swedish ränna (all “to run”). Non-Germanic cognates include Albanian rend (“to run, run after”), Persian راندن (“to move, set in motion”). See also random.
Etymology from Wiktionary, CC BY-SA