hacher

to chop up, mince; to split with an axe; to cut roughly and unequally; to cut or hit repeatedly with something sharp; to slash; to speak or write with a very unequal or irregular style or rhythm

“hacher la viande” — chop up the meat

Inherited from Middle French hacher, from Old French hacher, hachier, from Frankish *hakkōn, from Proto-Germanic *hakkōną (“to chop; hack”). More at hack.