"ثلاث" meaning in 马来语

{
  "categories": [
    {
      "kind": "other",
      "name": "帶有非標準語言標題的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有2個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生形式不詳的馬來語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自阿拉伯語的馬來語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "馬來語專有名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "馬來語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "源自阿拉伯語 الثَلَاثَاء (aṯ-ṯalāṯāʔ)。",
  "forms": [
    {
      "form": "Selasa",
      "raw_tags": [
        "魯米文"
      ]
    }
  ],
  "lang": "马来语",
  "lang_code": "ms",
  "pos": "name",
  "senses": [
    {
      "glosses": [
        "星期二，週二"
      ],
      "id": "zh-ثلاث-ms-name-g5T2to5n"
    }
  ],
  "sounds": [
    {
      "ipa": "/səlasə/"
    },
    {
      "ipa": "/səlasa/"
    }
  ],
  "word": "ثلاث"
}

{
  "categories": [
    "帶有非標準語言標題的頁面",
    "有2個詞條的頁面",
    "有詞條的頁面",
    "派生形式不詳的馬來語詞",
    "派生自阿拉伯語的馬來語詞",
    "馬來語專有名詞",
    "馬來語詞元"
  ],
  "etymology_text": "源自阿拉伯語 الثَلَاثَاء (aṯ-ṯalāṯāʔ)。",
  "forms": [
    {
      "form": "Selasa",
      "raw_tags": [
        "魯米文"
      ]
    }
  ],
  "lang": "马来语",
  "lang_code": "ms",
  "pos": "name",
  "senses": [
    {
      "glosses": [
        "星期二，週二"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/səlasə/"
    },
    {
      "ipa": "/səlasa/"
    }
  ],
  "word": "ثلاث"
}