{"era":"current","word":"opener","meaning":"something or someone that opens, especially a tool or the first part of an event","children":[{"era":"1200s","word":"oppinnare/opynnare","meaning":"opener","children":[{"era":"pre-1100","word":"openere","meaning":"opener","children":[{"era":"pre-1100","word":"open","meaning":"not closed; exposed","children":[],"language":"Old English"}],"language":"Old English"}],"language":"Middle English"}],"language":"Modern English"}