{"era":"current","word":"flank","meaning":"the side of a body or thing; the side of a military formation","children":[{"era":"1100s-1400s","word":"flanc","meaning":"side, flank","children":[{"era":"800s-1200s","word":"flanc","meaning":"side, flank","children":[{"era":"pre-1100","word":"*hlankaz","meaning":"bent, curved, flexible","children":[{"era":"pre-2000 BCE","word":"*kleng-","meaning":"to bend","children":[],"language":"Proto-Indo-European"}],"language":"Proto-Germanic"}],"language":"Old French"}],"language":"Middle English"}],"language":"Modern English"}