{"era":"current","word":"kappa","meaning":"the Greek letter K or κ.","children":[{"era":"classical","word":"κάππα","meaning":"the name of the Greek letter k.","children":[{"era":"pre-1100 BCE","word":"qōp","meaning":"the source letter behind Greek kappa.","children":[],"language":"Phoenician"}],"language":"Ancient Greek"}],"language":"Modern English"}