{"era":"current","word":"frontal","meaning":"relating to the front of something or situated at the front","children":[{"era":"1200s","word":"frontal","meaning":"of the front or forehead","children":[{"era":"classical","word":"frontālis","meaning":"of the forehead or front","children":[{"era":"classical","word":"frons","meaning":"forehead; front","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Anglo-French"}],"language":"Modern English"}