"-JID" meaning in Navajo

{
  "etymology_text": "Derivation uncertain. This root is not found outside of Navajo.",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-JID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo roots",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "to lug, to carry a burden on one's back"
      ],
      "id": "en--JID-nv-root-8IQrQNq5",
      "links": [
        [
          "lug",
          "lug"
        ],
        [
          "carry",
          "carry"
        ],
        [
          "burden",
          "burden"
        ]
      ],
      "synonyms": [
        {
          "english": "handle LPB",
          "translation": "handle LPB",
          "word": "-YĮ́"
        },
        {
          "english": "LPB moves",
          "translation": "LPB moves",
          "word": "-YĘ́Ę́ZH"
        },
        {
          "english": "bulky moves",
          "translation": "bulky moves",
          "word": "-ZHÓÓD"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-JID"
}

{
  "etymology_text": "Derivation uncertain. This root is not found outside of Navajo.",
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "root"
      },
      "expansion": "-JID",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "root",
  "senses": [
    {
      "categories": [
        "Navajo entries with incorrect language header",
        "Navajo lemmas",
        "Navajo roots",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "to lug, to carry a burden on one's back"
      ],
      "links": [
        [
          "lug",
          "lug"
        ],
        [
          "carry",
          "carry"
        ],
        [
          "burden",
          "burden"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "handle LPB",
      "translation": "handle LPB",
      "word": "-YĮ́"
    },
    {
      "english": "LPB moves",
      "translation": "LPB moves",
      "word": "-YĘ́Ę́ZH"
    },
    {
      "english": "bulky moves",
      "translation": "bulky moves",
      "word": "-ZHÓÓD"
    }
  ],
  "word": "-JID"
}