{"era":"current","word":"jail","meaning":"place of confinement, prison","children":[{"era":"1200s","word":"jaile / gaile","meaning":"cage, prison","children":[{"era":"1100s","word":"jaole (Anglo-French) / geole (Old French)","meaning":"cage, prison","children":[{"era":"700s–900s","word":"gabiola / caveola","meaning":"little cage","children":[{"era":"classical","word":"cavea","meaning":"cage, enclosure, hollow","children":[{"era":"prehistoric","word":"*keu-","meaning":"to swell, vault, hole","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Medieval Latin"}],"language":"Old French"}],"language":"Middle English"}],"language":"Modern English"}