"umwana" meaning in Rwanda-Rundi

{
  "etymology_templates": [
    {
      "args": {
        "1": "rw",
        "2": "bnt-pro",
        "3": "*mʊ̀jánà"
      },
      "expansion": "Proto-Bantu *mʊ̀jánà",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Bantu *mʊ̀jánà.",
  "forms": [
    {
      "form": "umwâna",
      "tags": [
        "canonical",
        "class-1"
      ]
    },
    {
      "form": "abâna",
      "tags": [
        "class-2",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "umwâna",
        "2": "1"
      },
      "expansion": "umwâna class 1 (plural abâna class 2)",
      "name": "rw-noun"
    }
  ],
  "lang": "Rwanda-Rundi",
  "lang_code": "rw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Rwanda-Rundi entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "rw",
          "name": "People",
          "orig": "rw:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "child"
      ],
      "id": "en-umwana-rw-noun-3cnmaRlC",
      "links": [
        [
          "child",
          "child"
        ]
      ]
    }
  ],
  "word": "umwana"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "rw",
        "2": "bnt-pro",
        "3": "*mʊ̀jánà"
      },
      "expansion": "Proto-Bantu *mʊ̀jánà",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Bantu *mʊ̀jánà.",
  "forms": [
    {
      "form": "umwâna",
      "tags": [
        "canonical",
        "class-1"
      ]
    },
    {
      "form": "abâna",
      "tags": [
        "class-2",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "umwâna",
        "2": "1"
      },
      "expansion": "umwâna class 1 (plural abâna class 2)",
      "name": "rw-noun"
    }
  ],
  "lang": "Rwanda-Rundi",
  "lang_code": "rw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rwanda-Rundi class 1 nouns",
        "Rwanda-Rundi entries with incorrect language header",
        "Rwanda-Rundi lemmas",
        "Rwanda-Rundi nouns",
        "Rwanda-Rundi terms derived from Proto-Bantu",
        "Rwanda-Rundi terms inherited from Proto-Bantu",
        "rw:People"
      ],
      "glosses": [
        "child"
      ],
      "links": [
        [
          "child",
          "child"
        ]
      ]
    }
  ],
  "word": "umwana"
}