"तिथौ" meaning in Sanskrit

{
  "forms": [
    {
      "form": "tithau",
      "tags": [
        "romanization"
      ]
    }
  ],
  "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": "other",
          "name": "Sanskrit noun forms in Devanagari script",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "tithi",
          "word": "तिथि"
        }
      ],
      "glosses": [
        "locative singular of तिथि (tithi)"
      ],
      "id": "en-तिथौ-sa-noun-ZSVXHKnd",
      "links": [
        [
          "तिथि",
          "तिथि#Sanskrit"
        ]
      ],
      "tags": [
        "form-of",
        "locative",
        "singular"
      ]
    }
  ],
  "word": "तिथौ"
}

{
  "forms": [
    {
      "form": "tithau",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "Sanskrit",
  "lang_code": "sa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sanskrit entries with incorrect language header",
        "Sanskrit non-lemma forms",
        "Sanskrit noun forms",
        "Sanskrit noun forms in Devanagari script"
      ],
      "form_of": [
        {
          "extra": "tithi",
          "word": "तिथि"
        }
      ],
      "glosses": [
        "locative singular of तिथि (tithi)"
      ],
      "links": [
        [
          "तिथि",
          "तिथि#Sanskrit"
        ]
      ],
      "tags": [
        "form-of",
        "locative",
        "singular"
      ]
    }
  ],
  "word": "तिथौ"
}