"Città Eterna" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "Urbs Aeterna"
      },
      "expansion": "Calque of Latin Urbs Aeterna",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Latin Urbs Aeterna.",
  "forms": [
    {
      "form": "la Città Eterna",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "head": "la Città Eterna"
      },
      "expansion": "la Città Eterna f",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "it",
          "name": "City nicknames",
          "orig": "it:City nicknames",
          "parents": [
            "Cities",
            "Nicknames",
            "Polities",
            "Names",
            "Places",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Eternal City (nickname for Rome)"
      ],
      "id": "en-Città_Eterna-it-name-pHGH3Uaa",
      "links": [
        [
          "Eternal City",
          "Eternal City"
        ]
      ],
      "related": [
        {
          "word": "Roma"
        }
      ],
      "synonyms": [
        {
          "word": "Urbe"
        }
      ]
    }
  ],
  "word": "Città Eterna"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "la",
        "3": "Urbs Aeterna"
      },
      "expansion": "Calque of Latin Urbs Aeterna",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Latin Urbs Aeterna.",
  "forms": [
    {
      "form": "la Città Eterna",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "head": "la Città Eterna"
      },
      "expansion": "la Città Eterna f",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "related": [
    {
      "word": "Roma"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian proper nouns",
        "Italian terms calqued from Latin",
        "Italian terms derived from Latin",
        "Pages with 1 entry",
        "Pages with entries",
        "it:City nicknames"
      ],
      "glosses": [
        "Eternal City (nickname for Rome)"
      ],
      "links": [
        [
          "Eternal City",
          "Eternal City"
        ]
      ],
      "synonyms": [
        {
          "word": "Urbe"
        }
      ]
    }
  ],
  "word": "Città Eterna"
}