{"era":"current","word":"keep","meaning":"to retain, to maintain, to guard","children":[{"era":"800-1100","word":"keep","meaning":"to watch, to guard, to seize","children":[{"era":"pre-1100","word":"kepan","meaning":"to seize, to hold, to observe","children":[{"era":"2000 BCE","word":"*kap-","meaning":"to grasp, to seize","children":[],"language":"Proto-Indo-European"}],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"}