{"era":"current","word":"unbelievably","meaning":"in a way that is hard to believe","children":[{"era":"modern","word":"unbelievable","meaning":"not able to be believed","children":[{"era":"pre-1100","word":"believe","meaning":"to hold something as true","children":[{"era":"pre-1100","word":"*bilaubijaną","meaning":"to believe","children":[],"language":"Proto-West Germanic"}],"language":"Middle / Old English"}],"language":"Modern English"},{"era":"pre-1100","word":"-ly","meaning":"adverb-forming suffix","children":[],"language":"Old English / Modern English"}],"language":"Modern English"}