intercurrere

Middle English entercours, commercial dealings, from Old French entrecours, from Latin intercursus, a running between, interposition, from past participle of intercurrere, to mingle with : inter-, inter- + currere, to run; see kers- in Indo-European roots.

Gesticulating and menacing -- and getting the double entendre -- in the Supreme Court in 1824. Ann Althouse 2007