{"era":"current","word":"mandatory","meaning":"current meaning","children":[{"era":"classical","word":"mandatorius","meaning":"relating to a command","children":[{"era":"classical","word":"mandatum","meaning":"a command, order","children":[{"era":"classical","word":"mandare","meaning":"to commit to one's charge, to order","children":[{"era":"classical","word":"manus + dare","meaning":"hand + to give","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Latin"}],"language":"Late Latin"}],"language":"Modern English"}