{"era":"current","word":"charcoal","meaning":"carbonized wood used as fuel or pigment","children":[{"era":"1200s","word":"char","meaning":"to burn or reduce to charcoal","children":[{"era":"1200s","word":"charbon","meaning":"coal, charcoal","children":[{"era":"classical","word":"carbo","meaning":"coal, live coal","children":[],"language":"Latin"}],"language":"Old French"}],"language":"Old French"},{"era":"pre-1100","word":"coal","meaning":"solid fuel from carbonized matter","children":[],"language":"Old English"}],"language":"Modern English"}