"mũthũ" meaning in Kikuyu

{
  "forms": [
    {
      "form": "mĩthũ",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "3"
      },
      "expansion": "mũthũ class 3 (plural mĩthũ)",
      "name": "ki-noun"
    }
  ],
  "lang": "Kikuyu",
  "lang_code": "ki",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Kikuyu 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": "lifeform",
          "langcode": "ki",
          "name": "Birds",
          "orig": "ki:Birds",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "fruit-eating mousebird, especially speckled mousebird (Colius striatus)"
      ],
      "id": "en-mũthũ-ki-noun-Ya6rPtm4",
      "links": [
        [
          "mousebird",
          "mousebird"
        ]
      ],
      "synonyms": [
        {
          "word": "muthu"
        }
      ],
      "tags": [
        "class-3"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/moðo/"
    }
  ],
  "word": "mũthũ"
}

{
  "forms": [
    {
      "form": "mĩthũ",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "3"
      },
      "expansion": "mũthũ class 3 (plural mĩthũ)",
      "name": "ki-noun"
    }
  ],
  "lang": "Kikuyu",
  "lang_code": "ki",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "Entries using missing taxonomic name (subspecies)",
        "Kikuyu class 3 nouns",
        "Kikuyu entries with incorrect language header",
        "Kikuyu lemmas",
        "Kikuyu nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "ki:Birds"
      ],
      "glosses": [
        "fruit-eating mousebird, especially speckled mousebird (Colius striatus)"
      ],
      "links": [
        [
          "mousebird",
          "mousebird"
        ]
      ],
      "tags": [
        "class-3"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/moðo/"
    }
  ],
  "synonyms": [
    {
      "word": "muthu"
    }
  ],
  "word": "mũthũ"
}