"ม.ศ." meaning in Thai

{
  "forms": [
    {
      "form": "mɔɔ-sɔ̌ɔ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "th",
        "2": "proper noun",
        "tr": "mɔɔ-sɔ̌ɔ"
      },
      "expansion": "ม.ศ. • (mɔɔ-sɔ̌ɔ)",
      "name": "head"
    }
  ],
  "lang": "Thai",
  "lang_code": "th",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "má-hǎa-sàk-gà-ràat",
          "word": "มหาศักราช"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of มหาศักราช (má-hǎa-sàk-gà-ràat)."
      ],
      "id": "en-ม.ศ.-th-name-rc4MLWFi",
      "links": [
        [
          "มหาศักราช",
          "มหาศักราช#Thai"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "extra": "(mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)",
          "word": "มัธยมศึกษา"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Thai terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 84",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "Thai entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "topical",
          "langcode": "th",
          "name": "Years",
          "orig": "th:Years",
          "parents": [
            "Periodic occurrences",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Abbreviation of มัธยมศึกษา (mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)"
      ],
      "id": "en-ม.ศ.-th-name-hypgDD0I",
      "links": [
        [
          "มัธยมศึกษา",
          "มัธยมศึกษา#Thai"
        ],
        [
          "ม.",
          "ม.#Thai"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Abbreviation of มัธยมศึกษา (mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɔː˧.sɔː˩˩˦/",
      "tags": [
        "standard"
      ]
    },
    {
      "homophone": "ม.ส. (mɔɔ.sɔ̌ɔ.)"
    }
  ],
  "word": "ม.ศ."
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:Thai/ɔː",
    "Thai 2-syllable words",
    "Thai entries with incorrect language header",
    "Thai lemmas",
    "Thai proper nouns",
    "Thai terms with IPA pronunciation",
    "Thai terms with homophones",
    "th:Years"
  ],
  "forms": [
    {
      "form": "mɔɔ-sɔ̌ɔ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "th",
        "2": "proper noun",
        "tr": "mɔɔ-sɔ̌ɔ"
      },
      "expansion": "ม.ศ. • (mɔɔ-sɔ̌ɔ)",
      "name": "head"
    }
  ],
  "lang": "Thai",
  "lang_code": "th",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "má-hǎa-sàk-gà-ràat",
          "word": "มหาศักราช"
        }
      ],
      "categories": [
        "Thai abbreviations"
      ],
      "glosses": [
        "Abbreviation of มหาศักราช (má-hǎa-sàk-gà-ràat)."
      ],
      "links": [
        [
          "มหาศักราช",
          "มหาศักราช#Thai"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "extra": "(mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)",
          "word": "มัธยมศึกษา"
        }
      ],
      "categories": [
        "Thai abbreviations",
        "Thai terms with obsolete senses",
        "Thai terms with redundant script codes"
      ],
      "glosses": [
        "Abbreviation of มัธยมศึกษา (mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)"
      ],
      "links": [
        [
          "มัธยมศึกษา",
          "มัธยมศึกษา#Thai"
        ],
        [
          "ม.",
          "ม.#Thai"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Abbreviation of มัธยมศึกษา (mát-tá-yom-sʉ̀k-sǎa). Now replaced by ม. (mɔɔ)"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɔː˧.sɔː˩˩˦/",
      "tags": [
        "standard"
      ]
    },
    {
      "homophone": "ม.ส. (mɔɔ.sɔ̌ɔ.)"
    }
  ],
  "word": "ม.ศ."
}