{"era":"current","word":"untrue","meaning":"false, not in accordance with fact","children":[{"era":"pre-1100","word":"untreowe","meaning":"unfaithful, disloyal","children":[{"era":"pre-1100","word":"un-","meaning":"negation prefix","children":[],"language":"Old English"},{"era":"pre-1100","word":"treowe","meaning":"faithful, loyal, steadfast","children":[{"era":"pre-500","word":"*drewaz","meaning":"firm, solid, steadfast","children":[{"era":"pre-2000 BCE","word":"*deru-","meaning":"to be firm, solid, steadfast (also root of 'tree')","children":[],"language":"Proto-Indo-European"}],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Old English"}],"language":"Modern English"}