"First Day" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "First Month"
      },
      "expansion": "First Month",
      "name": "m"
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    {
      "args": {
        "1": "en",
        "2": "January"
      },
      "expansion": "January",
      "name": "m"
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  ],
  "etymology_text": "Used (like also First Month in place of January, etc) to avoid the pagan history/etymology of the traditional name.",
  "head_templates": [
    {
      "args": {
        "head": "First Day"
      },
      "expansion": "First Day",
      "name": "en-proper noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Christianity",
          "orig": "en:Christianity",
          "parents": [
            "Abrahamism",
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Quakerism",
          "orig": "en:Quakerism",
          "parents": [
            "Protestantism",
            "Christianity",
            "Abrahamism",
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "Monday",
          "word": "Second Day"
        },
        {
          "english": "Tuesday",
          "word": "Third Day"
        },
        {
          "english": "Wednesday",
          "word": "Fourth Day"
        },
        {
          "english": "Thursday",
          "word": "Fifth Day"
        },
        {
          "english": "Friday",
          "word": "Sixth Day"
        },
        {
          "english": "Saturday",
          "word": "Seventh Day"
        }
      ],
      "glosses": [
        "Sunday (the first day of the Judeo-Christian seven day week)"
      ],
      "id": "en-First_Day-en-name-9yyT4YA3",
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "Quakerism",
          "Quakerism"
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        [
          "Sunday",
          "Sunday"
        ],
        [
          "Judeo-Christian",
          "Judeo-Christian"
        ],
        [
          "week",
          "week"
        ]
      ],
      "raw_glosses": [
        "(Christianity, Quakerism) Sunday (the first day of the Judeo-Christian seven day week)"
      ],
      "synonyms": [
        {
          "word": "First day"
        },
        {
          "word": "first day"
        },
        {
          "word": "First-day"
        }
      ],
      "tags": [
        "Quakerism"
      ],
      "topics": [
        "Christianity"
      ]
    }
  ],
  "word": "First Day"
}

{
  "coordinate_terms": [
    {
      "english": "Monday",
      "word": "Second Day"
    },
    {
      "english": "Tuesday",
      "word": "Third Day"
    },
    {
      "english": "Wednesday",
      "word": "Fourth Day"
    },
    {
      "english": "Thursday",
      "word": "Fifth Day"
    },
    {
      "english": "Friday",
      "word": "Sixth Day"
    },
    {
      "english": "Saturday",
      "word": "Seventh Day"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "First Month"
      },
      "expansion": "First Month",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "January"
      },
      "expansion": "January",
      "name": "m"
    }
  ],
  "etymology_text": "Used (like also First Month in place of January, etc) to avoid the pagan history/etymology of the traditional name.",
  "head_templates": [
    {
      "args": {
        "head": "First Day"
      },
      "expansion": "First Day",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "en:Christianity",
        "en:Quakerism"
      ],
      "glosses": [
        "Sunday (the first day of the Judeo-Christian seven day week)"
      ],
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "Quakerism",
          "Quakerism"
        ],
        [
          "Sunday",
          "Sunday"
        ],
        [
          "Judeo-Christian",
          "Judeo-Christian"
        ],
        [
          "week",
          "week"
        ]
      ],
      "raw_glosses": [
        "(Christianity, Quakerism) Sunday (the first day of the Judeo-Christian seven day week)"
      ],
      "tags": [
        "Quakerism"
      ],
      "topics": [
        "Christianity"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "First day"
    },
    {
      "word": "first day"
    },
    {
      "word": "First-day"
    }
  ],
  "word": "First Day"
}

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  "path": [
    "First Day"
  ],
  "section": "English",
  "subsection": "proper noun",
  "title": "First Day",
  "trace": ""
}