Etymology of oyer

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

{
  "templates": [
    {
      "name": "uder",
      "args": {
        "1": "en",
        "2": "xno",
        "3": "oyer",
        "4": "",
        "5": "hear"
      },
      "expansion": "Anglo-Norman oyer (“hear”)"
    }
  ],
  "links": [
    [
      "oyer",
      "oyer#Old_French"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A hearing in a civil case which is based on the content of a document, in which the plaintiff is required to produce the document."
      ],
      "tags": [
        "archaic",
        "uncountable"
      ],
      "recordId": "1afbbffe4534859bde2aa1d2215a79a300953f72919cfba97a362d10f119367a",
      "rawRecordSha256": "86db33bb649a34b493a41f21343b87dc31266dc0aaaa3de5ed3350b841f9e72f",
      "sourceRecordOrdinal": 569472
    }
  ],
  "omittedAuxiliaryFields": {
    "templates": 0,
    "links": 0,
    "references": 0,
    "descendants": 0,
    "lexicalRecords": 0,
    "lexicalSenses": 0,
    "glosses": 0
  }
}