{"era":"current","word":"unicorn","meaning":"a mythical horse-like creature with a single horn","children":[{"era":"1300s","word":"Middle English unicorne","meaning":"the medieval English form","children":[{"era":"1200s","word":"Anglo-Norman unicorne","meaning":"the French source form","children":[{"era":"classical","word":"Latin ūnicornis","meaning":"one-horned","children":[{"era":"classical","word":"ūnus","meaning":"one","children":[],"language":"Latin"},{"era":"classical","word":"cornū","meaning":"horn","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Anglo-Norman"}],"language":"Middle English"}],"language":"Modern English"}