"๑๙" meaning in Thai

{
  "head_templates": [
    {
      "args": {
        "1": "th",
        "2": "numeral symbol"
      },
      "expansion": "๑๙",
      "name": "head"
    }
  ],
  "lang": "Thai",
  "lang_code": "th",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Thai entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Thai entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Thai numeral symbols",
          "parents": [
            "Numeral symbols",
            "Symbols",
            "Letters, symbols, and punctuation",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Thai terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "roman": "sìp-gâao",
          "word": "สิบเก้า"
        },
        {
          "sense": "Previous",
          "word": "๑๘"
        },
        {
          "sense": "Next",
          "word": "๒๐"
        }
      ],
      "glosses": [
        "19 (nineteen)."
      ],
      "id": "en-๑๙-th-num-4GO7OuVI",
      "links": [
        [
          "19",
          "19"
        ],
        [
          "nineteen",
          "nineteen"
        ]
      ]
    }
  ],
  "word": "๑๙"
}

{
  "coordinate_terms": [
    {
      "roman": "sìp-gâao",
      "word": "สิบเก้า"
    },
    {
      "sense": "Previous",
      "word": "๑๘"
    },
    {
      "sense": "Next",
      "word": "๒๐"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "th",
        "2": "numeral symbol"
      },
      "expansion": "๑๙",
      "name": "head"
    }
  ],
  "lang": "Thai",
  "lang_code": "th",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Pages with raw sortkeys",
        "Thai entries with incorrect language header",
        "Thai entries with language name categories using raw markup",
        "Thai lemmas",
        "Thai numeral symbols",
        "Thai terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "19 (nineteen)."
      ],
      "links": [
        [
          "19",
          "19"
        ],
        [
          "nineteen",
          "nineteen"
        ]
      ]
    }
  ],
  "word": "๑๙"
}