"大粛清" meaning in Japanese

{
  "forms": [
    {
      "form": "大粛清",
      "ruby": [
        [
          "大",
          "だい"
        ],
        [
          "粛",
          "しゅく"
        ],
        [
          "清",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Daishukusei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "^だいしゅくせい"
      },
      "expansion": "大(だい)粛(しゅく)清(せい) • (Daishukusei)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Historical events",
          "orig": "ja:Historical events",
          "parents": [
            "History",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "History of Europe",
          "orig": "ja:History of Europe",
          "parents": [
            "Europe",
            "History",
            "Earth",
            "Eurasia",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Russian politics",
          "orig": "ja:Russian politics",
          "parents": [
            "Politics",
            "Russia",
            "Society",
            "Asia",
            "Europe",
            "All topics",
            "Earth",
            "Eurasia",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ja",
          "name": "Soviet Union",
          "orig": "ja:Soviet Union",
          "parents": [
            "Asia",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the Great Purge"
      ],
      "id": "en-大粛清-ja-name-CrOGubuG",
      "links": [
        [
          "Soviet Union",
          "Soviet Union"
        ],
        [
          "Great Purge",
          "Great Purge"
        ]
      ],
      "qualifier": "Soviet Union",
      "raw_glosses": [
        "(Soviet Union, historical) the Great Purge"
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "大粛清"
}

{
  "forms": [
    {
      "form": "大粛清",
      "ruby": [
        [
          "大",
          "だい"
        ],
        [
          "粛",
          "しゅく"
        ],
        [
          "清",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Daishukusei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "^だいしゅくせい"
      },
      "expansion": "大(だい)粛(しゅく)清(せい) • (Daishukusei)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with historical senses",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Historical events",
        "ja:History of Europe",
        "ja:Russian politics",
        "ja:Soviet Union"
      ],
      "glosses": [
        "the Great Purge"
      ],
      "links": [
        [
          "Soviet Union",
          "Soviet Union"
        ],
        [
          "Great Purge",
          "Great Purge"
        ]
      ],
      "qualifier": "Soviet Union",
      "raw_glosses": [
        "(Soviet Union, historical) the Great Purge"
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "大粛清"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "大粛清"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "大粛清",
  "trace": ""
}