{"era":"current","word":"excel","meaning":"To be exceptionally good at or proficient in an activity or subject.","children":[{"era":"13th century","word":"exceller","meaning":"to excel, surpass","children":[{"era":"classical","word":"excellere","meaning":"to rise up, surpass","children":[{"era":"classical","word":"ex-","meaning":"out of, from","children":[],"language":"Latin"},{"era":"classical","word":"-cellere (from celsus)","meaning":"to rise, to push up","children":[{"era":"ancient","word":"*kel-","meaning":"to drive, push","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Latin"}],"language":"Old French"}],"language":"Modern English"}