{"era":"current","word":"supermarket","meaning":"A large self-service store selling food and household goods.","children":[{"era":"classical","word":"super- (prefix)","meaning":"above, beyond","children":[],"language":"Latin"},{"era":"1200s","word":"market","meaning":"a public place for buying and selling","children":[{"era":"1100s","word":"market","meaning":"market, trading place","children":[{"era":"classical","word":"mercatus","meaning":"trade, market","children":[],"language":"Latin"}],"language":"Old Northern French"}],"language":"English"}],"language":"Modern English"}