{"era":"current","word":"perpetrator","meaning":"a person who carries out a harmful act or crime","children":[{"era":"classical","word":"Latin perpetrator","meaning":"one who accomplishes or carries through","children":[{"era":"classical","word":"Latin perpatrare","meaning":"to accomplish, carry through","children":[{"era":"classical","word":"per-","meaning":"through, thoroughly","children":[],"language":"Latin"},{"era":"classical","word":"patrare","meaning":"to accomplish, bring about","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Latin"}],"language":"Modern English"}