"-dad" meaning in Spanish

{
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      "expansion": "Inherited",
      "name": "glossary"
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    {
      "args": {
        "1": "es",
        "2": "osp",
        "3": "-dat",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
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        "sort": "",
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      },
      "expansion": "Old Spanish -dat",
      "name": "inh"
    },
    {
      "args": {
        "1": "es",
        "2": "osp",
        "3": "-dat"
      },
      "expansion": "Inherited from Old Spanish -dat",
      "name": "inh+"
    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "-tās",
        "4": "-tātem"
      },
      "expansion": "Latin -tātem",
      "name": "inh"
    },
    {
      "args": {
        "1": "es",
        "2": "ine-pro",
        "3": "*-teh₂ts"
      },
      "expansion": "Proto-Indo-European *-teh₂ts",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old Spanish -dat, from Latin -tātem, from Proto-Indo-European *-teh₂ts.",
  "forms": [
    {
      "form": "-dades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-dad f (noun-forming suffix, plural -dades)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "forms nouns representing the property corresponding to an adjective; -ity"
      ],
      "id": "en--dad-es-suffix-dQ6bYuTH",
      "links": [
        [
          "-ity",
          "-ity"
        ]
      ],
      "related": [
        {
          "word": "-bilidad"
        },
        {
          "word": "-edad"
        },
        {
          "word": "-idad"
        }
      ],
      "synonyms": [
        {
          "word": "-idad"
        },
        {
          "word": "-edad"
        }
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-dad"
}

{
  "etymology_templates": [
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      "expansion": "Inherited",
      "name": "glossary"
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    {
      "args": {
        "1": "es",
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        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Old Spanish -dat",
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    },
    {
      "args": {
        "1": "es",
        "2": "osp",
        "3": "-dat"
      },
      "expansion": "Inherited from Old Spanish -dat",
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    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "-tās",
        "4": "-tātem"
      },
      "expansion": "Latin -tātem",
      "name": "inh"
    },
    {
      "args": {
        "1": "es",
        "2": "ine-pro",
        "3": "*-teh₂ts"
      },
      "expansion": "Proto-Indo-European *-teh₂ts",
      "name": "inh"
    }
  ],
  "etymology_text": "Inherited from Old Spanish -dat, from Latin -tātem, from Proto-Indo-European *-teh₂ts.",
  "forms": [
    {
      "form": "-dades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-dad f (noun-forming suffix, plural -dades)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "related": [
    {
      "word": "-bilidad"
    },
    {
      "word": "-edad"
    },
    {
      "word": "-idad"
    }
  ],
  "senses": [
    {
      "categories": [
        "Spanish countable suffixes",
        "Spanish entries with incorrect language header",
        "Spanish feminine suffixes",
        "Spanish lemmas",
        "Spanish noun-forming suffixes",
        "Spanish suffixes",
        "Spanish terms derived from Latin",
        "Spanish terms derived from Old Spanish",
        "Spanish terms derived from Proto-Indo-European",
        "Spanish terms inherited from Latin",
        "Spanish terms inherited from Old Spanish",
        "Spanish terms inherited from Proto-Indo-European"
      ],
      "glosses": [
        "forms nouns representing the property corresponding to an adjective; -ity"
      ],
      "links": [
        [
          "-ity",
          "-ity"
        ]
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-idad"
    },
    {
      "word": "-edad"
    }
  ],
  "word": "-dad"
}