{"era":"current","word":"frantic","meaning":"wildly excited, agitated, or mentally deranged","children":[{"era":"mid-14c.","word":"Middle English frentik","meaning":"insane; crazed","children":[{"era":"13th c.","word":"Old French frenetike","meaning":"mad, crazy","children":[{"era":"classical","word":"Latin phreneticus","meaning":"delirious","children":[{"era":"classical","word":"Greek phrenitikos","meaning":"of delirium or brain disease","children":[{"era":"classical","word":"Greek phrēn","meaning":"mind; reason; diaphragm","children":[],"language":"Greek"}],"language":"Greek"}],"language":"Latin"}],"language":"Old French"}],"language":"Middle English"}],"language":"Modern English"}