"atsiighąąʼ" meaning in Navajo

{
  "etymology_text": "atsiiʼ (“head”) + ghąąʼ (“top, summit, back”). Compare ííshgháán (“backbone”)",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "noun"
      },
      "expansion": "atsiighąąʼ",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "nv",
          "name": "Anatomy",
          "orig": "nv:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "nv",
          "name": "Brain",
          "orig": "nv:Brain",
          "parents": [
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "brain"
      ],
      "id": "en-atsiighąąʼ-nv-noun-u796ZBLW",
      "links": [
        [
          "brain",
          "brain"
        ]
      ],
      "related": [
        {
          "word": "shíniʼ"
        },
        {
          "word": "bíniʼ"
        }
      ]
    }
  ],
  "word": "atsiighąąʼ"
}

{
  "etymology_text": "atsiiʼ (“head”) + ghąąʼ (“top, summit, back”). Compare ííshgháán (“backbone”)",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "noun"
      },
      "expansion": "atsiighąąʼ",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "noun",
  "related": [
    {
      "word": "shíniʼ"
    },
    {
      "word": "bíniʼ"
    }
  ],
  "senses": [
    {
      "categories": [
        "Navajo entries with incorrect language header",
        "Navajo lemmas",
        "Navajo nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "nv:Anatomy",
        "nv:Brain"
      ],
      "glosses": [
        "brain"
      ],
      "links": [
        [
          "brain",
          "brain"
        ]
      ]
    }
  ],
  "word": "atsiighąąʼ"
}