"куку" meaning in Nanai

{
  "etymology_templates": [
    {
      "args": {
        "1": "gld",
        "2": "tuw-pro",
        "3": "*kūke"
      },
      "expansion": "Proto-Tungusic *kūke",
      "name": "inh"
    },
    {
      "args": {
        "1": "zh",
        "2": "鵠",
        "3": "",
        "4": "*ku:g"
      },
      "expansion": "Chinese 鵠／鹄 (“*ku:g”)",
      "name": "cog"
    }
  ],
  "etymology_text": "# From Proto-Tungusic *kūke.\n# The Tungusic root may derive from Chinese 鵠／鹄 (“*ku:g”).",
  "forms": [
    {
      "form": "kuku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gld",
        "2": "noun",
        "tr": "kuku"
      },
      "expansion": "куку (kuku)",
      "name": "head"
    }
  ],
  "lang": "Nanai",
  "lang_code": "gld",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Nanai entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Nanai entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Nanai terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "gld",
          "name": "Birds",
          "orig": "gld:Birds",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "swan"
      ],
      "id": "en-куку-gld-noun-aFba67AR",
      "links": [
        [
          "swan",
          "swan"
        ]
      ]
    }
  ],
  "word": "куку"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "gld",
        "2": "tuw-pro",
        "3": "*kūke"
      },
      "expansion": "Proto-Tungusic *kūke",
      "name": "inh"
    },
    {
      "args": {
        "1": "zh",
        "2": "鵠",
        "3": "",
        "4": "*ku:g"
      },
      "expansion": "Chinese 鵠／鹄 (“*ku:g”)",
      "name": "cog"
    }
  ],
  "etymology_text": "# From Proto-Tungusic *kūke.\n# The Tungusic root may derive from Chinese 鵠／鹄 (“*ku:g”).",
  "forms": [
    {
      "form": "kuku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gld",
        "2": "noun",
        "tr": "kuku"
      },
      "expansion": "куку (kuku)",
      "name": "head"
    }
  ],
  "lang": "Nanai",
  "lang_code": "gld",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Nanai entries with incorrect language header",
        "Nanai entries with topic categories using raw markup",
        "Nanai lemmas",
        "Nanai nouns",
        "Nanai terms with redundant transliterations",
        "gld:Birds"
      ],
      "glosses": [
        "swan"
      ],
      "links": [
        [
          "swan",
          "swan"
        ]
      ]
    }
  ],
  "word": "куку"
}