"神武紀元" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語_名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語_暦",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "神武天皇が即位した年を元年とする紀年法。皇紀。即位紀元。皇暦、神武暦。日紀。"
      ],
      "id": "ja-神武紀元-ja-noun-kPk85nPT"
    }
  ],
  "word": "神武紀元"
}

{
  "categories": [
    "日本語",
    "日本語_名詞",
    "日本語_暦"
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "神武天皇が即位した年を元年とする紀年法。皇紀。即位紀元。皇暦、神武暦。日紀。"
      ]
    }
  ],
  "word": "神武紀元"
}