"변한말" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "변하다",
        "3": "말",
        "alt1": "변(變)한"
      },
      "expansion": "Univerbation of 변(變)한 (byeonhan) + 말 (mal)",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of 변(變)한 (byeonhan) + 말 (mal).",
  "forms": [
    {
      "form": "byeonhanmal",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "변한말 • (byeonhanmal)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "원말"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with long vowels in the first syllable",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean univerbations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Linguistics",
          "orig": "ko:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "word that has undergone significant sound change"
      ],
      "id": "en-변한말-ko-noun-tAjNMUto",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ],
        [
          "sound change",
          "sound change"
        ]
      ],
      "raw_glosses": [
        "(linguistics) word that has undergone significant sound change"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈpjɘ(ː)nɦa̠nma̠ɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[변(ː)한말]"
    }
  ],
  "word": "변한말"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "변하다",
        "3": "말",
        "alt1": "변(變)한"
      },
      "expansion": "Univerbation of 변(變)한 (byeonhan) + 말 (mal)",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of 변(變)한 (byeonhan) + 말 (mal).",
  "forms": [
    {
      "form": "byeonhanmal",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "변한말 • (byeonhanmal)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "원말"
        }
      ],
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with long vowels in the first syllable",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Korean univerbations",
        "ko:Linguistics"
      ],
      "glosses": [
        "word that has undergone significant sound change"
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ],
        [
          "sound change",
          "sound change"
        ]
      ],
      "raw_glosses": [
        "(linguistics) word that has undergone significant sound change"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈpjɘ(ː)nɦa̠nma̠ɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[변(ː)한말]"
    }
  ],
  "word": "변한말"
}