"de" meaning in Middle French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "de"
          },
          "expansion": "French: de\n→ English: de",
          "name": "desctree"
        }
      ],
      "text": "French: de\n→ English: de"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "inh",
        "3": "fro>de>from",
        "id": "of",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Italic *dē\nLatin dē\nOld French de\nMiddle French deInherited from Old French de, from Latin dē, from Proto-Italic *dē.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Italic *dē\nLatin dē\nOld French de\nMiddle French deInherited from Old French de, from Latin dē, from Proto-Italic *dē.",
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "prepositions"
      },
      "expansion": "de",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "prep",
  "senses": [
    {
      "glosses": [
        "of"
      ],
      "id": "en-de-frm-prep-KDkdO8ZO",
      "links": [
        [
          "of",
          "of"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Middle French entries with etymology texts",
          "parents": [
            "Entries with etymology texts",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Middle French entries with etymology trees",
          "parents": [
            "Entries with etymology trees",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "Middle French prepositions",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "from"
      ],
      "id": "en-de-frm-prep-dYV6RYmZ",
      "links": [
        [
          "from",
          "from"
        ]
      ]
    }
  ],
  "word": "de"
}

{
  "categories": [
    "Middle French entries with etymology texts",
    "Middle French entries with etymology trees",
    "Middle French entries with incorrect language header",
    "Middle French lemmas",
    "Middle French prepositions",
    "Middle French terms derived from Latin",
    "Middle French terms derived from Old French",
    "Middle French terms derived from Proto-Italic",
    "Middle French terms inherited from Latin",
    "Middle French terms inherited from Old French",
    "Middle French terms inherited from Proto-Italic",
    "Pages with 94 entries",
    "Pages with entries",
    "Requests for pronunciation in Middle French entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "de"
          },
          "expansion": "French: de\n→ English: de",
          "name": "desctree"
        }
      ],
      "text": "French: de\n→ English: de"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "inh",
        "3": "fro>de>from",
        "id": "of",
        "text": "++",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Italic *dē\nLatin dē\nOld French de\nMiddle French deInherited from Old French de, from Latin dē, from Proto-Italic *dē.",
      "name": "etymon"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Italic *dē\nLatin dē\nOld French de\nMiddle French deInherited from Old French de, from Latin dē, from Proto-Italic *dē.",
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "prepositions"
      },
      "expansion": "de",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "prep",
  "senses": [
    {
      "glosses": [
        "of"
      ],
      "links": [
        [
          "of",
          "of"
        ]
      ]
    },
    {
      "glosses": [
        "from"
      ],
      "links": [
        [
          "from",
          "from"
        ]
      ]
    }
  ],
  "word": "de"
}