{"era":"current","word":"philosopher","meaning":"A person who studies the fundamental nature of knowledge.","children":[{"era":"1200s","word":"philosophe","meaning":"philosopher","children":[{"era":"classical","word":"philosophus","meaning":"philosopher","children":[{"era":"classical","word":"philosophos","meaning":"lover of wisdom","children":[{"era":"classical","word":"philein (to love) + sophos (wise)","meaning":"love + wisdom","children":[],"language":"Ancient Greek"}],"language":"Ancient Greek"}],"language":"Latin"}],"language":"Old French"}],"language":"Modern English"}