"da" meaning in Romansh

{
  "etymology_templates": [
    {
      "args": {
        "1": "rm",
        "2": "la",
        "3": "de",
        "4": "dē"
      },
      "expansion": "Latin dē",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin dē.",
  "forms": [
    {
      "form": "dad",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rm",
        "2": "prepositions"
      },
      "expansion": "da",
      "name": "head"
    }
  ],
  "lang": "Romansh",
  "lang_code": "rm",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Romansh entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "Romansh prepositions",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "of, from"
      ],
      "id": "en-da-rm-prep-wtu1cerV",
      "links": [
        [
          "of",
          "of"
        ],
        [
          "from",
          "from"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "Romansh prepositions",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "about"
      ],
      "id": "en-da-rm-prep-pCYuHJvL",
      "links": [
        [
          "about",
          "about"
        ]
      ]
    }
  ],
  "word": "da"
}

{
  "categories": [
    "Pages with 102 entries",
    "Pages with entries",
    "Pages with language headings in the wrong order",
    "Romansh entries with incorrect language header",
    "Romansh lemmas",
    "Romansh prepositions",
    "Romansh terms derived from Latin",
    "za:Body parts",
    "za:Male family members"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "rm",
        "2": "la",
        "3": "de",
        "4": "dē"
      },
      "expansion": "Latin dē",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin dē.",
  "forms": [
    {
      "form": "dad",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rm",
        "2": "prepositions"
      },
      "expansion": "da",
      "name": "head"
    }
  ],
  "lang": "Romansh",
  "lang_code": "rm",
  "pos": "prep",
  "senses": [
    {
      "glosses": [
        "of, from"
      ],
      "links": [
        [
          "of",
          "of"
        ],
        [
          "from",
          "from"
        ]
      ]
    },
    {
      "glosses": [
        "about"
      ],
      "links": [
        [
          "about",
          "about"
        ]
      ]
    }
  ],
  "word": "da"
}