{"era":"current","word":"walk","meaning":"Move on foot or a journey on foot","children":[{"era":"1200s","word":"walk","meaning":"to move on foot, to roll","children":[{"era":"pre-1000","word":"wealcan","meaning":"to roll, turn, walk","children":[{"era":"pre-500","word":"wealcan","meaning":"to roll, turn","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Middle English"}],"language":"Modern English"}