runneth

From run +‎ -eth.

runneth

1. (archaic) third-person singular simple present indicative of run
   • 2007 November 27, Hadley Freeman, “Miaow!”, in The Guardian‎^[1]:

     God it must be a faff having to get nigh-on naked every time your bladder runneth over, and imagine how much worse it must be if you only have a 20-second break to run off stage to the loo.

• hunnert