{"era":"~500 BC","word":"mystḗrion (μυστήριον)","meaning":"A secret rite, a hidden truth. From mystēs (one who has been initiated), from myein (to close the eyes or mouth).","children":[{"era":"1300s","word":"mystery","meaning":"Something unexplained or secret.","language":"English"},{"era":"1200s","word":"misterio","meaning":"Mystery.","language":"Spanish"}],"language":"Greek"}