"팔십년대" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "八十年代"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "八十",
        "2": "eighty",
        "3": "年代",
        "4": "decade"
      },
      "expansion": "Sino-Korean word from 八十 (“eighty”) + 年代 (“decade”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 八十 (“eighty”) + 年代 (“decade”).",
  "forms": [
    {
      "form": "palsimnyeondae",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "八十年代",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "80年代",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "80년대",
      "roman": "palsimnyeondae",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "八十年代/80年代"
      },
      "expansion": "팔십년대 • (palsimnyeondae) (hanja 八十年代/80年代)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ko",
          "name": "Decades",
          "orig": "ko:Decades",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "the eighties"
      ],
      "id": "en-팔십년대-ko-noun-yUMukTvH",
      "links": [
        [
          "eighties",
          "eighties"
        ]
      ],
      "qualifier": "decade",
      "raw_glosses": [
        "(decade) the eighties"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰa̠ɭɕʰimɲʌ̹ndɛ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[pʰa̠ɭɕʰimɲʌ̹nde̞]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "팔심년대"
    },
    {
      "hangeul": "팔심년데"
    }
  ],
  "word": "팔십년대"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "八十年代"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "八十",
        "2": "eighty",
        "3": "年代",
        "4": "decade"
      },
      "expansion": "Sino-Korean word from 八十 (“eighty”) + 年代 (“decade”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 八十 (“eighty”) + 年代 (“decade”).",
  "forms": [
    {
      "form": "palsimnyeondae",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "八十年代",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "80年代",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "80년대",
      "roman": "palsimnyeondae",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "八十年代/80年代"
      },
      "expansion": "팔십년대 • (palsimnyeondae) (hanja 八十年代/80年代)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Korean words",
        "ko:Decades"
      ],
      "glosses": [
        "the eighties"
      ],
      "links": [
        [
          "eighties",
          "eighties"
        ]
      ],
      "qualifier": "decade",
      "raw_glosses": [
        "(decade) the eighties"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʰa̠ɭɕʰimɲʌ̹ndɛ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[pʰa̠ɭɕʰimɲʌ̹nde̞]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "팔심년대"
    },
    {
      "hangeul": "팔심년데"
    }
  ],
  "word": "팔십년대"
}