{"era":"current","word":"chemo","meaning":"informal shortening of chemotherapy","children":[{"era":"1900s","word":"chemotherapy","meaning":"treatment of disease, especially cancer, with chemicals or drugs","children":[{"era":"1900s","word":"chemo-","meaning":"relating to chemistry or chemical treatment","children":[{"era":"classical","word":"khēmeía","meaning":"alchemy; chemistry","children":[],"language":"Ancient Greek"}],"language":"English combining form"}],"language":"Modern English"}],"language":"Modern English"}