{"era":"current","word":"illusion","meaning":"deceptive appearance","children":[{"era":"13th C","word":"illusion","meaning":"deception","children":[{"era":"classical","word":"illudere","meaning":"to mock, to play with, to deceive","children":[{"era":"classical","word":"in- (in) + ludere (to play)","meaning":"to play against, to mock","children":[],"language":"Latin"}],"language":"Latin"}],"language":"Old French"}],"language":"Modern English"}