"रथसप्तमी" meaning in Sanskrit

{
  "etymology_text": "From रथ (ratha) + सप्तमी (saptamī).",
  "forms": [
    {
      "form": "rathasaptamī",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f"
      },
      "expansion": "रथसप्तमी • (rathasaptamī) stem, f",
      "name": "sa-noun"
    }
  ],
  "lang": "Sanskrit",
  "lang_code": "sa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sanskrit entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sa",
          "name": "Festivals",
          "orig": "sa:Festivals",
          "parents": [
            "Observances",
            "Calendar",
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sa",
          "name": "Seven",
          "orig": "sa:Seven",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "name of the 7th day in the light half of the month आश्विन (so called as the beginning of a मन्व्-अन्तर when a new Sun ascended his car) (W.)"
      ],
      "id": "en-रथसप्तमी-sa-noun-vH672xrj",
      "links": [
        [
          "car",
          "car"
        ]
      ]
    }
  ],
  "word": "रथसप्तमी"
}

{
  "etymology_text": "From रथ (ratha) + सप्तमी (saptamī).",
  "forms": [
    {
      "form": "rathasaptamī",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f"
      },
      "expansion": "रथसप्तमी • (rathasaptamī) stem, f",
      "name": "sa-noun"
    }
  ],
  "lang": "Sanskrit",
  "lang_code": "sa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sanskrit entries with incorrect language header",
        "Sanskrit feminine nouns",
        "Sanskrit lemmas",
        "Sanskrit nouns",
        "Sanskrit nouns in Devanagari script",
        "sa:Festivals",
        "sa:Seven"
      ],
      "glosses": [
        "name of the 7th day in the light half of the month आश्विन (so called as the beginning of a मन्व्-अन्तर when a new Sun ascended his car) (W.)"
      ],
      "links": [
        [
          "car",
          "car"
        ]
      ]
    }
  ],
  "word": "रथसप्तमी"
}