{"era":"current","word":"retention","meaning":"The continued possession, use, or control of something.","children":[{"era":"12th-15th century","word":"retencion","meaning":"a holding back","children":[{"era":"classical","word":"retentionem","meaning":"a holding back, a holding in","children":[{"era":"classical","word":"retinere","meaning":"to hold back, keep","children":[{"era":"classical","word":"re-","meaning":"back","children":[],"language":"Latin"},{"era":"classical","word":"tenere","meaning":"to hold","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Latin"}],"language":"Old French"}],"language":"Modern English"}