"irwakutar" meaning in アイヌ語

{
  "categories": [
    {
      "kind": "other",
      "name": "アイヌ語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "アイヌ語 国際音声記号あり",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "アイヌ語_名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "irwak　兄弟姉妹 + utar　親戚・同胞"
  ],
  "lang": "アイヌ語",
  "lang_code": "ain",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "兄弟姉妹。"
      ],
      "id": "ja-irwakutar-ain-noun-AC49itIm"
    }
  ],
  "word": "irwakutar"
}

{
  "categories": [
    "アイヌ語",
    "アイヌ語 国際音声記号あり",
    "アイヌ語_名詞"
  ],
  "etymology_texts": [
    "irwak　兄弟姉妹 + utar　親戚・同胞"
  ],
  "lang": "アイヌ語",
  "lang_code": "ain",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "兄弟姉妹。"
      ]
    }
  ],
  "word": "irwakutar"
}