From Wiktionary, the free dictionary
From mid- + charge.
midcharge (uncountable)
- A point in time during a charge.
2009 March 4, Jeffrey Gettleman, “In Congo, With Rebels Now at Bay, Calm Erupts”, in New York Times[1]:“Haa mmm,” Mr. Serundori says, emitting a special gruntlike gorilla greeting that miraculously stops Kabirizi in midcharge.