"-ZIID" meaning in Navajo

{
  "etymology_number": "1",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-ZIID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "categories": [
        {
          "_dis": "79 21",
          "kind": "other",
          "name": "Navajo roots",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to grope, grasp, grab"
      ],
      "id": "en--ZIID-nv-root-qBYi0WNP",
      "links": [
        [
          "grope",
          "grope"
        ],
        [
          "grasp",
          "grasp"
        ],
        [
          "grab",
          "grab"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ZIID"
}

{
  "etymology_number": "2",
  "etymology_templates": [
    {
      "args": {
        "1": "nv",
        "2": "ath-pro",
        "3": "*zi̓d",
        "4": "*zi̓d~zîˑd",
        "5": "pour"
      },
      "expansion": "Proto-Athabaskan *zi̓d~zîˑd (“pour”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "nv",
        "2": "xnd-pro",
        "3": "*xyi(ʼ)tʼ"
      },
      "expansion": "Proto-Na-Dene *xyi(ʼ)tʼ",
      "name": "inh"
    },
    {
      "args": {
        "1": "tli",
        "2": "xʼitʼ",
        "t": "sweep, brush"
      },
      "expansion": "Tlingit xʼitʼ (“sweep, brush”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Athabaskan *zi̓d~zîˑd (“pour”). This root is from Proto-Na-Dene *xyi(ʼ)tʼ and is cognate with Tlingit xʼitʼ (“sweep, brush”).",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-ZIID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "categories": [
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to pour"
      ],
      "id": "en--ZIID-nv-root-aD9RLbad",
      "links": [
        [
          "pour",
          "pour"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ZIID"
}

{
  "categories": [
    "Navajo entries with incorrect language header",
    "Navajo lemmas",
    "Navajo roots",
    "Navajo terms derived from Proto-Athabaskan",
    "Navajo terms derived from Proto-Na-Dene",
    "Navajo terms inherited from Proto-Athabaskan",
    "Navajo terms inherited from Proto-Na-Dene",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": "1",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-ZIID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "glosses": [
        "to grope, grasp, grab"
      ],
      "links": [
        [
          "grope",
          "grope"
        ],
        [
          "grasp",
          "grasp"
        ],
        [
          "grab",
          "grab"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ZIID"
}

{
  "categories": [
    "Navajo entries with incorrect language header",
    "Navajo lemmas",
    "Navajo roots",
    "Navajo terms derived from Proto-Athabaskan",
    "Navajo terms derived from Proto-Na-Dene",
    "Navajo terms inherited from Proto-Athabaskan",
    "Navajo terms inherited from Proto-Na-Dene",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": "2",
  "etymology_templates": [
    {
      "args": {
        "1": "nv",
        "2": "ath-pro",
        "3": "*zi̓d",
        "4": "*zi̓d~zîˑd",
        "5": "pour"
      },
      "expansion": "Proto-Athabaskan *zi̓d~zîˑd (“pour”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "nv",
        "2": "xnd-pro",
        "3": "*xyi(ʼ)tʼ"
      },
      "expansion": "Proto-Na-Dene *xyi(ʼ)tʼ",
      "name": "inh"
    },
    {
      "args": {
        "1": "tli",
        "2": "xʼitʼ",
        "t": "sweep, brush"
      },
      "expansion": "Tlingit xʼitʼ (“sweep, brush”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Athabaskan *zi̓d~zîˑd (“pour”). This root is from Proto-Na-Dene *xyi(ʼ)tʼ and is cognate with Tlingit xʼitʼ (“sweep, brush”).",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-ZIID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "glosses": [
        "to pour"
      ],
      "links": [
        [
          "pour",
          "pour"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ZIID"
}