{"era":"current","word":"concerned","meaning":"worried or involved","children":[{"era":"1300s","word":"concern","meaning":"to relate to, affect, or worry","children":[{"era":"classical","word":"concernere","meaning":"to mingle, be related to, affect","children":[{"era":"classical","word":"con- + cernere","meaning":"together + to sift, discern","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Middle English"}],"language":"Modern English"}