"de-" meaning in Old French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "dé-"
          },
          "expansion": "French: dé-",
          "name": "desc"
        }
      ],
      "text": "French: dé-"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "dis-"
      },
      "expansion": "Latin dis-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin dis-.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "prefix"
      },
      "expansion": "de-",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "des-"
        }
      ],
      "glosses": [
        "Alternative form of des-"
      ],
      "id": "en-de--fro-prefix-zc7WmujO",
      "links": [
        [
          "des-",
          "des-#Old French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "de- + brisier (“to break”) → debrisier (“to break”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicating that an action is done more strongly or more vigorously"
      ],
      "id": "en-de--fro-prefix-AVrRVpk8",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "de-"
}

{
  "categories": [
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Old French prefixes",
    "Old French terms derived from Latin",
    "Old French terms inherited from Latin"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "dé-"
          },
          "expansion": "French: dé-",
          "name": "desc"
        }
      ],
      "text": "French: dé-"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "dis-"
      },
      "expansion": "Latin dis-",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin dis-.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "prefix"
      },
      "expansion": "de-",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "prefix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "des-"
        }
      ],
      "glosses": [
        "Alternative form of des-"
      ],
      "links": [
        [
          "des-",
          "des-#Old French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    },
    {
      "examples": [
        {
          "text": "de- + brisier (“to break”) → debrisier (“to break”)",
          "type": "example"
        }
      ],
      "glosses": [
        "indicating that an action is done more strongly or more vigorously"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "de-"
}