"สี่สิบ" meaning in 泰语

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "泰語數詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "泰語複合詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "泰語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "源自สี่ (sìi) + สิบ (sìp)。與老撾語 ສີ່ສິບ (sī sip)、撣語 သီႇသိပ်း (sìi síp)、高棉語 សែសិប (sae səp)同源。",
  "forms": [
    {
      "form": "sìi-sìp",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "泰语",
  "lang_code": "th",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "泰語基數詞",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "四十（泰文數字：๔๐ (40)）"
      ],
      "id": "zh-สี่สิบ-th-num-bjZmGfFP"
    }
  ],
  "tags": [
    "number"
  ],
  "word": "สี่สิบ"
}

{
  "categories": [
    "有1個詞條的頁面",
    "泰語數詞",
    "泰語複合詞",
    "泰語詞元"
  ],
  "etymology_text": "源自สี่ (sìi) + สิบ (sìp)。與老撾語 ສີ່ສິບ (sī sip)、撣語 သီႇသိပ်း (sìi síp)、高棉語 សែសិប (sae səp)同源。",
  "forms": [
    {
      "form": "sìi-sìp",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "泰语",
  "lang_code": "th",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "泰語基數詞"
      ],
      "glosses": [
        "四十（泰文數字：๔๐ (40)）"
      ]
    }
  ],
  "tags": [
    "number"
  ],
  "word": "สี่สิบ"
}