{"era":"current","word":"shaky","meaning":"unsteady, trembling, or unreliable","children":[{"era":"pre-1100","word":"shake","meaning":"to move rapidly back and forth","children":[{"era":"1100s–1400s","word":"-y","meaning":"adjectival suffix forming a quality or tendency","children":[],"language":"Middle English"},{"era":"pre-1100","word":"Proto-Germanic *skakaną","meaning":"to shake or move abruptly","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"}