"Theban year" meaning in English

{
  "forms": [
    {
      "form": "Theban years",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Theban year (plural Theban years)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1774-1776, Jacob Bryant, A New System or Analysis of Ancient Mythology\nThey had another year in Upper Egypt, which was heliacal, and styled the Theban. This consisted of three hundred sixty-five days, and six hours."
        }
      ],
      "glosses": [
        "The ancient Egyptian year of 365 days and six hours."
      ],
      "id": "en-Theban_year-en-noun-jxHxK~W7",
      "links": [
        [
          "Egyptian",
          "Egyptian"
        ],
        [
          "year",
          "year"
        ]
      ]
    }
  ],
  "word": "Theban year"
}

{
  "forms": [
    {
      "form": "Theban years",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Theban year (plural Theban years)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "examples": [
        {
          "text": "1774-1776, Jacob Bryant, A New System or Analysis of Ancient Mythology\nThey had another year in Upper Egypt, which was heliacal, and styled the Theban. This consisted of three hundred sixty-five days, and six hours."
        }
      ],
      "glosses": [
        "The ancient Egyptian year of 365 days and six hours."
      ],
      "links": [
        [
          "Egyptian",
          "Egyptian"
        ],
        [
          "year",
          "year"
        ]
      ]
    }
  ],
  "word": "Theban year"
}