"Clean Monday" meaning in English

{
  "etymology_text": "From the Old Testament reading at sext on this day, Isaiah 1:16, “Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil...”",
  "head_templates": [
    {
      "args": {
        "head": "Clean Monday"
      },
      "expansion": "Clean Monday",
      "name": "en-proper noun"
    }
  ],
  "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Calendar",
          "orig": "en:Calendar",
          "parents": [
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Christianity",
          "orig": "en:Christianity",
          "parents": [
            "Abrahamism",
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2010 February 10, New York Times, page D5",
          "text": "Clean Monday, a holiday in Greece, marks the start of the Lenten season.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The seventh Monday before Easter, (Eastern Christianity) traditionally regarded as the beginning of Lent"
      ],
      "hyponyms": [
        {
          "word": "Forgiveness Vespers"
        }
      ],
      "id": "en-Clean_Monday-en-name-yPjgjBmI",
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "seventh",
          "seventh"
        ],
        [
          "Monday",
          "Monday"
        ],
        [
          "Easter",
          "Easter"
        ],
        [
          "traditionally",
          "traditionally"
        ],
        [
          "regard",
          "regard"
        ],
        [
          "beginning",
          "beginning"
        ],
        [
          "Lent",
          "Lent"
        ]
      ],
      "raw_glosses": [
        "(Christianity) The seventh Monday before Easter, (Eastern Christianity) traditionally regarded as the beginning of Lent"
      ],
      "related": [
        {
          "word": "Clean Week"
        }
      ],
      "synonyms": [
        {
          "word": "Pure Monday"
        },
        {
          "word": "Ash Monday"
        },
        {
          "word": "Monday of Lent"
        },
        {
          "tags": [
            "Cyprus"
          ],
          "word": "Green Monday"
        }
      ],
      "topics": [
        "Christianity"
      ],
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "Kathará Deftéra",
          "sense": "First day of the Orthodox Lent",
          "tags": [
            "feminine"
          ],
          "word": "Καθαρά Δευτέρα"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "Čístyj ponedélʹnik",
          "sense": "First day of the Orthodox Lent",
          "tags": [
            "masculine"
          ],
          "word": "Чи́стый понеде́льник"
        }
      ],
      "wikipedia": [
        "Clean Monday"
      ]
    }
  ],
  "word": "Clean Monday"
}

{
  "etymology_text": "From the Old Testament reading at sext on this day, Isaiah 1:16, “Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil...”",
  "head_templates": [
    {
      "args": {
        "head": "Clean Monday"
      },
      "expansion": "Clean Monday",
      "name": "en-proper noun"
    }
  ],
  "hyponyms": [
    {
      "word": "Forgiveness Vespers"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Clean Week"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English uncountable nouns",
        "en:Calendar",
        "en:Christianity"
      ],
      "examples": [
        {
          "ref": "2010 February 10, New York Times, page D5",
          "text": "Clean Monday, a holiday in Greece, marks the start of the Lenten season.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The seventh Monday before Easter, (Eastern Christianity) traditionally regarded as the beginning of Lent"
      ],
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "seventh",
          "seventh"
        ],
        [
          "Monday",
          "Monday"
        ],
        [
          "Easter",
          "Easter"
        ],
        [
          "traditionally",
          "traditionally"
        ],
        [
          "regard",
          "regard"
        ],
        [
          "beginning",
          "beginning"
        ],
        [
          "Lent",
          "Lent"
        ]
      ],
      "raw_glosses": [
        "(Christianity) The seventh Monday before Easter, (Eastern Christianity) traditionally regarded as the beginning of Lent"
      ],
      "topics": [
        "Christianity"
      ],
      "wikipedia": [
        "Clean Monday"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Pure Monday"
    },
    {
      "word": "Ash Monday"
    },
    {
      "word": "Monday of Lent"
    },
    {
      "tags": [
        "Cyprus"
      ],
      "word": "Green Monday"
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "Kathará Deftéra",
      "sense": "First day of the Orthodox Lent",
      "tags": [
        "feminine"
      ],
      "word": "Καθαρά Δευτέρα"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "Čístyj ponedélʹnik",
      "sense": "First day of the Orthodox Lent",
      "tags": [
        "masculine"
      ],
      "word": "Чи́стый понеде́льник"
    }
  ],
  "word": "Clean Monday"
}