"CDMX" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "CDMX f",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(= Mexico City), the capital of Mexico",
          "word": "Ciudad de México"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "langcode": "es",
          "name": "Abbreviations of places",
          "orig": "es:Abbreviations of places",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "es",
          "name": "Cities in Mexico",
          "orig": "es:Cities in Mexico",
          "parents": [
            "Cities",
            "Places"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "es",
          "name": "Mexico City",
          "orig": "es:Mexico City",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "es",
          "name": "National capitals",
          "orig": "es:National capitals",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "es",
          "name": "Places in Mexico",
          "orig": "es:Places in Mexico",
          "parents": [
            "Places"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "abbreviation of Ciudad de México (= Mexico City), the capital of Mexico"
      ],
      "id": "en-CDMX-es-name-GEjvB1Dd",
      "links": [
        [
          "Ciudad de México",
          "Ciudad de México#Spanish"
        ],
        [
          "Mexico City",
          "Mexico City#English"
        ],
        [
          "capital",
          "capital"
        ],
        [
          "Mexico",
          "Mexico#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "feminine"
      ]
    }
  ],
  "word": "CDMX"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "CDMX f",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(= Mexico City), the capital of Mexico",
          "word": "Ciudad de México"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish abbreviations",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish proper nouns",
        "Spanish uncountable nouns",
        "es:Abbreviations of places",
        "es:Cities in Mexico",
        "es:Mexico City",
        "es:National capitals",
        "es:Places in Mexico"
      ],
      "glosses": [
        "abbreviation of Ciudad de México (= Mexico City), the capital of Mexico"
      ],
      "links": [
        [
          "Ciudad de México",
          "Ciudad de México#Spanish"
        ],
        [
          "Mexico City",
          "Mexico City#English"
        ],
        [
          "capital",
          "capital"
        ],
        [
          "Mexico",
          "Mexico#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "feminine"
      ]
    }
  ],
  "word": "CDMX"
}