"forty-eightmo" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "forty-eight",
        "3": "mo"
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      "expansion": "forty-eight + -mo",
      "name": "suffix"
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  ],
  "etymology_text": "forty-eight + -mo",
  "head_templates": [
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      "expansion": "forty-eightmo (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
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          "name": "English terms suffixed with -mo",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Eight",
          "orig": "en:Eight",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Forty",
          "orig": "en:Forty",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Paper sizes",
          "orig": "en:Paper sizes",
          "parents": [
            "Paper",
            "Materials",
            "Manufacturing",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "quadragesimo-octavo (as a paper size in printing)."
      ],
      "id": "en-forty-eightmo-en-noun-9POv~t5T",
      "links": [
        [
          "quadragesimo-octavo",
          "quadragesimo-octavo"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "forty-eightmo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "forty-eight",
        "3": "mo"
      },
      "expansion": "forty-eight + -mo",
      "name": "suffix"
    }
  ],
  "etymology_text": "forty-eight + -mo",
  "head_templates": [
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      "args": {
        "1": "-"
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      "expansion": "forty-eightmo (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
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        "English terms suffixed with -mo",
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        "en:Eight",
        "en:Forty",
        "en:Paper sizes"
      ],
      "glosses": [
        "quadragesimo-octavo (as a paper size in printing)."
      ],
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        [
          "quadragesimo-octavo",
          "quadragesimo-octavo"
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      "tags": [
        "uncountable"
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    }
  ],
  "word": "forty-eightmo"
}