{"era":"current","word":"cookbook","meaning":"A book containing recipes and instructions for preparing food.","children":[{"era":"1100s-1500s","word":"cook","meaning":"a cook","children":[{"era":"pre-1100","word":"coc","meaning":"a cook","children":[{"era":"classical","word":"coquus","meaning":"cook","children":[{"era":"pre-3000 BCE","word":"*pekʷ-","meaning":"to cook, ripen","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Old English"}],"language":"Middle English"},{"era":"pre-1100","word":"book","meaning":"book","children":[{"era":"pre-500 CE","word":"*bōks","meaning":"book","children":[{"era":"pre-3000 BCE","word":"*bhag-","meaning":"to divide, to distribute","children":[],"language":"Proto-Indo-European"}],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"}