"延久" meaning in Japanese

{
  "forms": [
    {
      "form": "延久",
      "ruby": [
        [
          "延",
          "えん"
        ],
        [
          "久",
          "きゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Enkyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "えんきゅう"
      },
      "expansion": "延(えん)久(きゅう) • (Enkyū)",
      "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 non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Historical periods",
          "orig": "ja:Historical periods",
          "parents": [
            "History",
            "Timekeeping",
            "All topics",
            "Time",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the Enkyū era, 1069-1074"
      ],
      "id": "en-延久-ja-name-mxs7xtSE",
      "related": [
        {
          "roman": "era preceding Enkyū",
          "ruby": [
            [
              "治暦",
              "じりゃく"
            ]
          ],
          "word": "治暦"
        },
        {
          "roman": "era following Enkyū",
          "ruby": [
            [
              "承保",
              "じょうほう"
            ]
          ],
          "word": "承保"
        }
      ],
      "wikipedia": [
        "Enkyū",
        "ja:延久"
      ]
    }
  ],
  "word": "延久"
}

{
  "forms": [
    {
      "form": "延久",
      "ruby": [
        [
          "延",
          "えん"
        ],
        [
          "久",
          "きゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Enkyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "えんきゅう"
      },
      "expansion": "延(えん)久(きゅう) • (Enkyū)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "related": [
    {
      "roman": "era preceding Enkyū",
      "ruby": [
        [
          "治暦",
          "じりゃく"
        ]
      ],
      "word": "治暦"
    },
    {
      "roman": "era following Enkyū",
      "ruby": [
        [
          "承保",
          "じょうほう"
        ]
      ],
      "word": "承保"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters",
        "ja:Historical periods"
      ],
      "glosses": [
        "the Enkyū era, 1069-1074"
      ],
      "wikipedia": [
        "Enkyū",
        "ja:延久"
      ]
    }
  ],
  "word": "延久"
}

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