"-ii" meaning in Navajo

{
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "suffix"
      },
      "expansion": "-ii",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "nominalizer, creating agentive nouns from verbs and adjectives: \"that which [verbs]\", or \"that which [is of adjective quality]\"; compare English -er"
      ],
      "id": "en--ii-nv-suffix-9jHoAZ0Y",
      "links": [
        [
          "agentive",
          "agentive#English"
        ],
        [
          "English",
          "w:English language"
        ],
        [
          "-er",
          "-er#English"
        ]
      ],
      "related": [
        {
          "word": "-í"
        },
        {
          "word": "-ígíí"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ii"
}

{
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "suffix"
      },
      "expansion": "-ii",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "suffix",
  "related": [
    {
      "word": "-í"
    },
    {
      "word": "-ígíí"
    }
  ],
  "senses": [
    {
      "categories": [
        "Navajo entries with incorrect language header",
        "Navajo lemmas",
        "Navajo suffixes",
        "Navajo terms with non-redundant non-automated sortkeys",
        "Pages using catfix",
        "Pages with 7 entries",
        "Pages with entries"
      ],
      "glosses": [
        "nominalizer, creating agentive nouns from verbs and adjectives: \"that which [verbs]\", or \"that which [is of adjective quality]\"; compare English -er"
      ],
      "links": [
        [
          "agentive",
          "agentive#English"
        ],
        [
          "English",
          "w:English language"
        ],
        [
          "-er",
          "-er#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ii"
}