"흑역사" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "黑",
        "2": "black, dark",
        "3": "歷史",
        "4": "history"
      },
      "expansion": "Sino-Korean word from 黑歷史, from 黑 (“black, dark”) + 歷史 (“history”)",
      "name": "ko-etym-sino"
    },
    {
      "args": {
        "1": "ko",
        "2": "ja",
        "3": "黒歴史",
        "nocap": "y",
        "tr": "kurorekishi"
      },
      "expansion": "orthographic borrowing from Japanese 黒歴史 (kurorekishi)",
      "name": "obor"
    }
  ],
  "etymology_text": "Sino-Korean word from 黑歷史, from 黑 (“black, dark”) + 歷史 (“history”), orthographic borrowing from Japanese 黒歴史 (kurorekishi).",
  "forms": [
    {
      "form": "heugyeoksa",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "黑歷史",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "黑歷史"
      },
      "expansion": "흑역사 • (heugyeoksa) (hanja 黑歷史)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean neologisms",
          "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a past thing that would like to make it didn't happen."
      ],
      "id": "en-흑역사-ko-noun-fYwkFp5Y",
      "raw_glosses": [
        "(neologism) a past thing that would like to make it didn't happen."
      ],
      "tags": [
        "neologism"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xɯɡjʌ̹ks͈a̠]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "흐격싸"
    },
    {
      "other": "[흐격싸]"
    }
  ],
  "word": "흑역사"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "黑",
        "2": "black, dark",
        "3": "歷史",
        "4": "history"
      },
      "expansion": "Sino-Korean word from 黑歷史, from 黑 (“black, dark”) + 歷史 (“history”)",
      "name": "ko-etym-sino"
    },
    {
      "args": {
        "1": "ko",
        "2": "ja",
        "3": "黒歴史",
        "nocap": "y",
        "tr": "kurorekishi"
      },
      "expansion": "orthographic borrowing from Japanese 黒歴史 (kurorekishi)",
      "name": "obor"
    }
  ],
  "etymology_text": "Sino-Korean word from 黑歷史, from 黑 (“black, dark”) + 歷史 (“history”), orthographic borrowing from Japanese 黒歴史 (kurorekishi).",
  "forms": [
    {
      "form": "heugyeoksa",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "黑歷史",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "黑歷史"
      },
      "expansion": "흑역사 • (heugyeoksa) (hanja 黑歷史)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean neologisms",
        "Korean nouns",
        "Korean orthographic borrowings from Japanese",
        "Korean terms borrowed from Japanese",
        "Korean terms derived from Japanese",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Sino-Korean words"
      ],
      "glosses": [
        "a past thing that would like to make it didn't happen."
      ],
      "raw_glosses": [
        "(neologism) a past thing that would like to make it didn't happen."
      ],
      "tags": [
        "neologism"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xɯɡjʌ̹ks͈a̠]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "흐격싸"
    },
    {
      "other": "[흐격싸]"
    }
  ],
  "word": "흑역사"
}