"elde" meaning in Middle English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "eld"
          },
          "expansion": "English: eld",
          "name": "desc"
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      ],
      "text": "English: eld"
    },
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      "depth": 1,
      "templates": [
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            "2": "eild"
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          "expansion": "Scots: eild",
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      "text": "Scots: eild"
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        "2": "ang",
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      "expansion": "Old English ieldu",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old English ieldu, eldo, ieldo (“age”). More at eld.",
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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "age, span of years"
      ],
      "id": "en-elde-enm-noun-SjBhZO2I",
      "links": [
        [
          "age",
          "age"
        ]
      ]
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        {
          "_dis": "19 74 8",
          "kind": "other",
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          "source": "w+disamb"
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      ],
      "glosses": [
        "era, epoch"
      ],
      "id": "en-elde-enm-noun-h8Sl9ud7",
      "links": [
        [
          "era",
          "era"
        ],
        [
          "epoch",
          "epoch"
        ]
      ]
    },
    {
      "glosses": [
        "period"
      ],
      "id": "en-elde-enm-noun-UUyxP2A0",
      "links": [
        [
          "period",
          "period"
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  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "word": "eelde"
    }
  ],
  "word": "elde"
}

{
  "categories": [
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    "Middle English lemmas",
    "Middle English nouns",
    "Middle English terms derived from Old English",
    "Middle English terms inherited from Old English",
    "Pages with 6 entries",
    "Pages with entries"
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  "descendants": [
    {
      "depth": 1,
      "templates": [
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            "2": "eld"
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          "expansion": "English: eld",
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      ],
      "text": "English: eld"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "sco",
            "2": "eild"
          },
          "expansion": "Scots: eild",
          "name": "desc"
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      ],
      "text": "Scots: eild"
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  ],
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  ],
  "etymology_text": "From Old English ieldu, eldo, ieldo (“age”). More at eld.",
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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "age, span of years"
      ],
      "links": [
        [
          "age",
          "age"
        ]
      ]
    },
    {
      "glosses": [
        "era, epoch"
      ],
      "links": [
        [
          "era",
          "era"
        ],
        [
          "epoch",
          "epoch"
        ]
      ]
    },
    {
      "glosses": [
        "period"
      ],
      "links": [
        [
          "period",
          "period"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "eelde"
    }
  ],
  "word": "elde"
}