{"era":"current","word":"argument","meaning":"a reason or set of reasons given to support or oppose a proposition","children":[{"era":"1300s","word":"argument","meaning":"a reason or proof","children":[{"era":"classical","word":"argumentum","meaning":"proof, evidence, matter of discourse","children":[{"era":"classical","word":"arguere","meaning":"to make clear, prove, accuse","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Middle English"}],"language":"Modern English"}