"-nu" meaning in Gun

{
  "etymology_templates": [
    {
      "args": {
        "1": "fon",
        "2": "-nù"
      },
      "expansion": "Fon -nù",
      "name": "cog"
    }
  ],
  "etymology_text": "Cognates include Fon -nù",
  "forms": [
    {
      "form": "-nù",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "guw",
        "2": "suffix",
        "head": "-nù"
      },
      "expansion": "-nù",
      "name": "head"
    }
  ],
  "lang": "Gun",
  "lang_code": "guw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Gun entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Yoruba person/ethnicity",
          "word": "Ayɔ̀nù"
        },
        {
          "english": "Yoruba person/ethnicity",
          "word": "Ayọ̀nù"
        },
        {
          "english": "someone from Dahomey",
          "word": "Dànhòmẹ̀nù"
        },
        {
          "english": "someone from Dahomey",
          "word": "Dànxòmɛ̀nù"
        },
        {
          "english": "Fon person/ethnicity",
          "word": "Fọ̀nnù"
        },
        {
          "english": "Gun person/ethnicity",
          "word": "Gunnù"
        },
        {
          "english": "Xwla person/ethnicity",
          "word": "Whlànù"
        },
        {
          "english": "Xwla person/ethnicity",
          "word": "Xwlànù"
        }
      ],
      "examples": [
        {
          "text": "Xwlà (“Xwla”) → Xwlànù (“Xwla person/ethnic group”, literally “person/people of Xwla origin”)"
        },
        {
          "text": "Ayɔ̀ (“Yoruba”) → Ayɔ̀nù (“Yoruba person/ethnic group”, literally “person/people of Yoruba origin”)"
        },
        {
          "text": "Fɔ̀n (“Fon”) → Fɔ̀nnù (“Fon person/ethnic group”, literally “person/people of Fon origin”)"
        }
      ],
      "glosses": [
        "Used to form nouns describing the origin of a person or group of a certain ethnic group or nationality."
      ],
      "id": "en--nu-guw-suffix-ts2rrhKV",
      "links": [
        [
          "person",
          "person"
        ],
        [
          "group",
          "group"
        ],
        [
          "ethnic group",
          "ethnic group"
        ],
        [
          "nationality",
          "nationality"
        ]
      ],
      "synonyms": [
        {
          "word": "-tɔ́"
        },
        {
          "word": "-tọ́"
        },
        {
          "word": "-ví"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nũ̀/"
    }
  ],
  "word": "-nu"
}

{
  "derived": [
    {
      "english": "Yoruba person/ethnicity",
      "word": "Ayɔ̀nù"
    },
    {
      "english": "Yoruba person/ethnicity",
      "word": "Ayọ̀nù"
    },
    {
      "english": "someone from Dahomey",
      "word": "Dànhòmẹ̀nù"
    },
    {
      "english": "someone from Dahomey",
      "word": "Dànxòmɛ̀nù"
    },
    {
      "english": "Fon person/ethnicity",
      "word": "Fọ̀nnù"
    },
    {
      "english": "Gun person/ethnicity",
      "word": "Gunnù"
    },
    {
      "english": "Xwla person/ethnicity",
      "word": "Whlànù"
    },
    {
      "english": "Xwla person/ethnicity",
      "word": "Xwlànù"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fon",
        "2": "-nù"
      },
      "expansion": "Fon -nù",
      "name": "cog"
    }
  ],
  "etymology_text": "Cognates include Fon -nù",
  "forms": [
    {
      "form": "-nù",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "guw",
        "2": "suffix",
        "head": "-nù"
      },
      "expansion": "-nù",
      "name": "head"
    }
  ],
  "lang": "Gun",
  "lang_code": "guw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Gun compound terms",
        "Gun entries with incorrect language header",
        "Gun lemmas",
        "Gun suffixes",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Xwlà (“Xwla”) → Xwlànù (“Xwla person/ethnic group”, literally “person/people of Xwla origin”)"
        },
        {
          "text": "Ayɔ̀ (“Yoruba”) → Ayɔ̀nù (“Yoruba person/ethnic group”, literally “person/people of Yoruba origin”)"
        },
        {
          "text": "Fɔ̀n (“Fon”) → Fɔ̀nnù (“Fon person/ethnic group”, literally “person/people of Fon origin”)"
        }
      ],
      "glosses": [
        "Used to form nouns describing the origin of a person or group of a certain ethnic group or nationality."
      ],
      "links": [
        [
          "person",
          "person"
        ],
        [
          "group",
          "group"
        ],
        [
          "ethnic group",
          "ethnic group"
        ],
        [
          "nationality",
          "nationality"
        ]
      ],
      "synonyms": [
        {
          "word": "-tɔ́"
        },
        {
          "word": "-tọ́"
        },
        {
          "word": "-ví"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nũ̀/"
    }
  ],
  "word": "-nu"
}