{"era":"current","word":"understandable","meaning":"capable of being understood","children":[{"era":"1200s","word":"understand","meaning":"to grasp the meaning of","children":[{"era":"pre-1100","word":"understandan","meaning":"to stand between, to perceive","children":[{"era":"pre-1100","word":"under-","meaning":"between, among","children":[],"language":"Old English"},{"era":"pre-1100","word":"standan","meaning":"to stand","children":[],"language":"Old English"}],"language":"Old English"}],"language":"Middle English"},{"era":"1100s","word":"-able","meaning":"capable of, worthy of","children":[{"era":"classical","word":"-abilis","meaning":"capable of being","children":[],"language":"Latin"}],"language":"Old French"}],"language":"Modern English"}