{"era":"current","word":"chord","meaning":"a set of notes sounded together","children":[{"era":"1200s","word":"cord","meaning":"older spelling and cognate form meaning a string or line","children":[{"era":"classical","word":"chorda","meaning":"a string, gut, or cord","children":[{"era":"classical","word":"χορδή","meaning":"string of gut; string of a lyre","children":[],"language":"Ancient Greek"}],"language":"Latin"}],"language":"Middle English"}],"language":"Modern English"}