"-dan" meaning in Turkish

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "ota",
        "3": "ـدن"
      },
      "expansion": "Ottoman Turkish ـدن",
      "name": "inh"
    }
  ],
  "etymology_text": "From Ottoman Turkish ـدن.",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "suffix",
        "3": "",
        "4": "-{{{var}}}",
        "head": ""
      },
      "expansion": "-dan",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-dan",
      "name": "tr-suffix"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Turkish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "okul (“school”) + -dan → okuldan (“from school”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form ablative of nouns."
      ],
      "id": "en--dan-tr-suffix-nsWAw6Nx",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɑn/"
    }
  ],
  "word": "-dan"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "ota",
        "3": "ـدن"
      },
      "expansion": "Ottoman Turkish ـدن",
      "name": "inh"
    }
  ],
  "etymology_text": "From Ottoman Turkish ـدن.",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "suffix",
        "3": "",
        "4": "-{{{var}}}",
        "head": ""
      },
      "expansion": "-dan",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-dan",
      "name": "tr-suffix"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Pages with 5 entries",
        "Pages with entries",
        "Turkish entries with incorrect language header",
        "Turkish lemmas",
        "Turkish suffixes",
        "Turkish terms derived from Ottoman Turkish",
        "Turkish terms inherited from Ottoman Turkish"
      ],
      "examples": [
        {
          "text": "okul (“school”) + -dan → okuldan (“from school”)",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to form ablative of nouns."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɑn/"
    }
  ],
  "word": "-dan"
}