"de" meaning in Old French

{
  "derived": [
    {
      "_dis1": "0 0",
      "alt": "de + le",
      "word": "del"
    },
    {
      "_dis1": "0 0",
      "alt": "de + les",
      "word": "des"
    }
  ],
  "descendants": [
    {
      "descendants": [
        {
          "descendants": [
            {
              "lang": "English",
              "lang_code": "en",
              "raw_tags": [
                "borrowed"
              ],
              "word": "de"
            }
          ],
          "lang": "French",
          "lang_code": "fr",
          "word": "de"
        }
      ],
      "lang": "Middle French",
      "lang_code": "frm",
      "word": "de"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": ":inh",
        "3": "la:dē<id:of>",
        "id": "from",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *de\nProto-Italic *dē\nLatin dē\nOld French de\nInherited from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *de.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *de\nProto-Italic *dē\nLatin dē\nOld French de\nInherited from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *de.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "prepositions"
      },
      "expansion": "de",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "prep",
  "senses": [
    {
      "glosses": [
        "of"
      ],
      "id": "en-de-fro-prep-KDkdO8ZO",
      "links": [
        [
          "of",
          "of"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Old French entries with etymology texts",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Old French entries with etymology trees",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Old French prepositions",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "from"
      ],
      "id": "en-de-fro-prep-dYV6RYmZ",
      "links": [
        [
          "from",
          "from"
        ]
      ]
    }
  ],
  "word": "de"
}

{
  "categories": [
    "Old French entries with etymology texts",
    "Old French entries with etymology trees",
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Old French prepositions",
    "Old French terms derived from Latin",
    "Old French terms derived from Proto-Indo-European",
    "Old French terms derived from Proto-Italic",
    "Old French terms inherited from Latin",
    "Old French terms inherited from Proto-Indo-European",
    "Old French terms inherited from Proto-Italic",
    "Pages with 96 entries",
    "Pages with entries",
    "Pages with etymology trees",
    "Requests for pronunciation in Old French entries"
  ],
  "derived": [
    {
      "alt": "de + le",
      "word": "del"
    },
    {
      "alt": "de + les",
      "word": "des"
    }
  ],
  "descendants": [
    {
      "descendants": [
        {
          "descendants": [
            {
              "lang": "English",
              "lang_code": "en",
              "raw_tags": [
                "borrowed"
              ],
              "word": "de"
            }
          ],
          "lang": "French",
          "lang_code": "fr",
          "word": "de"
        }
      ],
      "lang": "Middle French",
      "lang_code": "frm",
      "word": "de"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": ":inh",
        "3": "la:dē<id:of>",
        "id": "from",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *de\nProto-Italic *dē\nLatin dē\nOld French de\nInherited from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *de.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *de\nProto-Italic *dē\nLatin dē\nOld French de\nInherited from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *de.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "prepositions"
      },
      "expansion": "de",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "prep",
  "senses": [
    {
      "glosses": [
        "of"
      ],
      "links": [
        [
          "of",
          "of"
        ]
      ]
    },
    {
      "glosses": [
        "from"
      ],
      "links": [
        [
          "from",
          "from"
        ]
      ]
    }
  ],
  "word": "de"
}