"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": "5 4 9 4 9 9 9 9 9 7 6 6 1 10",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "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",
    "Pages with 17 entries",
    "Pages with entries"
  ],
  "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-"
}