{"era":"current","word":"unprecedented","meaning":"not done or experienced before","children":[{"era":"late Middle English","word":"precedent","meaning":"an earlier example or authority","children":[{"era":"classical","word":"praecedens / praecedentem","meaning":"preceding; going before","children":[{"era":"classical","word":"prae- + cedere","meaning":"before + to go, yield","children":[],"language":"Latin"}],"language":"Latin"}],"language":"English"}],"language":"Modern English"}