"正長" meaning in Japanese

{
  "forms": [
    {
      "form": "正長",
      "ruby": [
        [
          "正",
          "しょう"
        ],
        [
          "長",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Shōchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "syautyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しやうちやう",
      "roman": "syautyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "しょうちょう",
        "hhira": "しやうちやう"
      },
      "expansion": "正(しょう)長(ちょう) • (Shōchō) ^(←しやうちやう (syautyau)?)",
      "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 alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "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 Shōchō era, 1428-1429"
      ],
      "id": "en-正長-ja-name-3zxNJS8T",
      "related": [
        {
          "roman": "era preceding Shōchō",
          "ruby": [
            [
              "応永",
              "おうえい"
            ]
          ],
          "word": "応永"
        },
        {
          "roman": "era following Shōchō",
          "ruby": [
            [
              "永",
              "えい"
            ],
            [
              "享",
              "きょう"
            ]
          ],
          "word": "永享"
        }
      ],
      "wikipedia": [
        "Shōchō",
        "ja:正長"
      ]
    }
  ],
  "word": "正長"
}

{
  "forms": [
    {
      "form": "正長",
      "ruby": [
        [
          "正",
          "しょう"
        ],
        [
          "長",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Shōchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "syautyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しやうちやう",
      "roman": "syautyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "しょうちょう",
        "hhira": "しやうちやう"
      },
      "expansion": "正(しょう)長(ちょう) • (Shōchō) ^(←しやうちやう (syautyau)?)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "related": [
    {
      "roman": "era preceding Shōchō",
      "ruby": [
        [
          "応永",
          "おうえい"
        ]
      ],
      "word": "応永"
    },
    {
      "roman": "era following Shōchō",
      "ruby": [
        [
          "永",
          "えい"
        ],
        [
          "享",
          "きょう"
        ]
      ],
      "word": "永享"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second 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 Shōchō era, 1428-1429"
      ],
      "wikipedia": [
        "Shōchō",
        "ja:正長"
      ]
    }
  ],
  "word": "正長"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "正長"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "正長",
  "trace": "started on line 4, detected on line 4"
}

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