"how manyth" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "how many",
        "3": "-th"
      },
      "expansion": "how many + -th",
      "name": "affix"
    }
  ],
  "etymology_text": "From how many + -th. Equivalent constructions are perfectly standard in many of the world’s languages (compare the translations below).",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "how manyth"
      },
      "expansion": "how manyth (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "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 terms suffixed with -th",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I'm telling you for the how manyth time: I don't know!",
          "type": "example"
        }
      ],
      "glosses": [
        "Standing for an unknown or queried ordinal number."
      ],
      "id": "en-how_manyth-en-adj-sKMUWtkB",
      "raw_glosses": [
        "(nonstandard) Standing for an unknown or queried ordinal number."
      ],
      "synonyms": [
        {
          "word": "whatth"
        },
        {
          "word": "umpteenth"
        },
        {
          "word": "how-manyth"
        },
        {
          "word": "how manieth"
        },
        {
          "word": "how-manieth"
        },
        {
          "word": "how manyeth"
        },
        {
          "word": "how-manyeth"
        },
        {
          "word": "how many-eth"
        },
        {
          "word": "how-many-eth"
        }
      ],
      "tags": [
        "nonstandard",
        "not-comparable"
      ]
    }
  ],
  "word": "how manyth"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "how many",
        "3": "-th"
      },
      "expansion": "how many + -th",
      "name": "affix"
    }
  ],
  "etymology_text": "From how many + -th. Equivalent constructions are perfectly standard in many of the world’s languages (compare the translations below).",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "how manyth"
      },
      "expansion": "how manyth (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nonstandard terms",
        "English terms suffixed with -th",
        "English terms with usage examples",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "I'm telling you for the how manyth time: I don't know!",
          "type": "example"
        }
      ],
      "glosses": [
        "Standing for an unknown or queried ordinal number."
      ],
      "raw_glosses": [
        "(nonstandard) Standing for an unknown or queried ordinal number."
      ],
      "tags": [
        "nonstandard",
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "whatth"
    },
    {
      "word": "umpteenth"
    },
    {
      "word": "how-manyth"
    },
    {
      "word": "how manieth"
    },
    {
      "word": "how-manieth"
    },
    {
      "word": "how manyeth"
    },
    {
      "word": "how-manyeth"
    },
    {
      "word": "how many-eth"
    },
    {
      "word": "how-many-eth"
    }
  ],
  "word": "how manyth"
}