{"era":"current","word":"shake","meaning":"To move rapidly to and fro or up and down with short, quick movements.","children":[{"era":"pre-1100","word":"scacan","meaning":"to shake, to vibrate","children":[{"era":"ancient","word":"*skēg-","meaning":"to shake","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"}