"宮古" meaning in Okinawan

{
  "etymology_templates": [
    {
      "args": {
        "1": "ryu",
        "2": "jpx-ryu-pro",
        "3": "*miyako"
      },
      "expansion": "Proto-Ryukyuan *miyako",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Ryukyuan *miyako.",
  "forms": [
    {
      "form": "Nāku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "なーく",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "なーく"
      },
      "expansion": "宮古(なーく) (Nāku)",
      "name": "ryu-head"
    }
  ],
  "lang": "Okinawan",
  "lang_code": "ryu",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Okinawan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan exonyms",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms written with two Han script characters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ryu",
          "name": "Cities in Japan",
          "orig": "ryu:Cities in Japan",
          "parents": [
            "Cities",
            "Places",
            "Polities",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ryu",
          "name": "Islands",
          "orig": "ryu:Islands",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Miyako language",
          "roman": "Nākuguchi",
          "ruby": [
            [
              "宮古",
              "なーく"
            ],
            [
              "口",
              "ぐち"
            ]
          ],
          "word": "宮古口"
        }
      ],
      "glosses": [
        "Miyako"
      ],
      "id": "en-宮古-ryu-name-oK5iWyMK",
      "links": [
        [
          "Miyako",
          "Miyako"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/naːku/"
    }
  ],
  "word": "宮古"
}

{
  "categories": [
    "rys:Cities in Japan",
    "rys:Islands"
  ],
  "derived": [
    {
      "english": "Miyako language",
      "roman": "Nākuguchi",
      "ruby": [
        [
          "宮古",
          "なーく"
        ],
        [
          "口",
          "ぐち"
        ]
      ],
      "word": "宮古口"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ryu",
        "2": "jpx-ryu-pro",
        "3": "*miyako"
      },
      "expansion": "Proto-Ryukyuan *miyako",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Ryukyuan *miyako.",
  "forms": [
    {
      "form": "Nāku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "なーく",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "なーく"
      },
      "expansion": "宮古(なーく) (Nāku)",
      "name": "ryu-head"
    }
  ],
  "lang": "Okinawan",
  "lang_code": "ryu",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Okinawan entries with incorrect language header",
        "Okinawan exonyms",
        "Okinawan lemmas",
        "Okinawan proper nouns",
        "Okinawan terms derived from Proto-Ryukyuan",
        "Okinawan terms inherited from Proto-Ryukyuan",
        "Okinawan terms spelled with second grade kanji",
        "Okinawan terms spelled with third grade kanji",
        "Okinawan terms with IPA pronunciation",
        "Okinawan terms with non-redundant manual transliterations",
        "Okinawan terms with redundant sortkeys",
        "Okinawan terms written with two Han script characters",
        "ryu:Cities in Japan",
        "ryu:Islands"
      ],
      "glosses": [
        "Miyako"
      ],
      "links": [
        [
          "Miyako",
          "Miyako"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/naːku/"
    }
  ],
  "word": "宮古"
}