"استادتر" meaning in Persian

{
  "forms": [
    {
      "form": "ostâd-tar",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fa",
        "2": "comparative adjective",
        "tr": "ostâd-tar"
      },
      "expansion": "استادتر • (ostâd-tar)",
      "name": "head"
    }
  ],
  "lang": "Persian",
  "lang_code": "fa",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Persian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "استاد"
        }
      ],
      "glosses": [
        "comparative degree of استاد"
      ],
      "id": "en-استادتر-fa-adj-AXkC5QqF",
      "links": [
        [
          "استاد",
          "استاد#Persian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "استادتر"
}

{
  "forms": [
    {
      "form": "ostâd-tar",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fa",
        "2": "comparative adjective",
        "tr": "ostâd-tar"
      },
      "expansion": "استادتر • (ostâd-tar)",
      "name": "head"
    }
  ],
  "lang": "Persian",
  "lang_code": "fa",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Persian comparative adjectives",
        "Persian entries with incorrect language header",
        "Persian non-lemma forms"
      ],
      "form_of": [
        {
          "word": "استاد"
        }
      ],
      "glosses": [
        "comparative degree of استاد"
      ],
      "links": [
        [
          "استاد",
          "استاد#Persian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "استادتر"
}