{"era":"current","word":"overwhelm","meaning":"to bury or defeat completely","children":[{"era":"1200s","word":"over + whelmen","meaning":"to cover over, overturn","children":[{"era":"pre-1100","word":"ofer + hwelfan","meaning":"over + to overturn/arch over","children":[{"era":"null","word":"*uper + *kʷel-","meaning":"over + turn, revolve","children":[],"language":"Proto-Indo-European"}],"language":"Old English"}],"language":"Middle English"}],"language":"Modern English"}