"zero" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "zero"
      },
      "expansion": "English zero",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "fr",
        "3": "zéro"
      },
      "expansion": "French zéro",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "zero"
      },
      "expansion": "Italian zero",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "es",
        "3": "cero"
      },
      "expansion": "Spanish cero",
      "name": "bor"
    },
    {
      "args": {
        "1": "zero",
        "2": "zéro",
        "3": "",
        "4": "zero",
        "5": "",
        "6": "cero"
      },
      "expansion": "Borrowed from English zero, French zéro, Italian zero, Spanish cero.",
      "name": "io-bor"
    }
  ],
  "etymology_text": "Borrowed from English zero, French zéro, Italian zero, Spanish cero.",
  "lang": "Ido",
  "lang_code": "io",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using lite templates",
          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "zero"
      ],
      "id": "en-zero-io-num--RlOc~np",
      "links": [
        [
          "zero",
          "zero#English"
        ]
      ],
      "raw_glosses": [
        "(temperature) zero"
      ],
      "topics": [
        "temperature"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages using lite templates",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "io",
          "name": "Arithmetic",
          "orig": "io:Arithmetic",
          "parents": [
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
        {
          "_dis": "0 100",
          "kind": "topical",
          "name": "Ido cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "cipher, nought"
      ],
      "id": "en-zero-io-num-4woJjztH",
      "links": [
        [
          "arithmetic",
          "arithmetic"
        ],
        [
          "cipher",
          "cipher#English"
        ],
        [
          "nought",
          "nought#English"
        ]
      ],
      "raw_glosses": [
        "(arithmetic) cipher, nought"
      ],
      "topics": [
        "arithmetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈze.ro/"
    }
  ],
  "word": "zero"
}

{
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    "Ido cardinal numbers",
    "Ido lemmas",
    "Ido numerals",
    "Ido terms borrowed from English",
    "Ido terms borrowed from French",
    "Ido terms borrowed from Italian",
    "Ido terms borrowed from Spanish",
    "Ido terms derived from English",
    "Ido terms derived from French",
    "Ido terms derived from Italian",
    "Ido terms derived from Spanish",
    "Ido terms with IPA pronunciation",
    "Pages using lite templates"
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  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "zero"
      },
      "expansion": "English zero",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "fr",
        "3": "zéro"
      },
      "expansion": "French zéro",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "zero"
      },
      "expansion": "Italian zero",
      "name": "bor"
    },
    {
      "args": {
        "1": "io",
        "2": "es",
        "3": "cero"
      },
      "expansion": "Spanish cero",
      "name": "bor"
    },
    {
      "args": {
        "1": "zero",
        "2": "zéro",
        "3": "",
        "4": "zero",
        "5": "",
        "6": "cero"
      },
      "expansion": "Borrowed from English zero, French zéro, Italian zero, Spanish cero.",
      "name": "io-bor"
    }
  ],
  "etymology_text": "Borrowed from English zero, French zéro, Italian zero, Spanish cero.",
  "lang": "Ido",
  "lang_code": "io",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Pages using lite templates"
      ],
      "glosses": [
        "zero"
      ],
      "links": [
        [
          "zero",
          "zero#English"
        ]
      ],
      "raw_glosses": [
        "(temperature) zero"
      ],
      "topics": [
        "temperature"
      ]
    },
    {
      "categories": [
        "Pages using lite templates",
        "io:Arithmetic"
      ],
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        "cipher, nought"
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      "links": [
        [
          "arithmetic",
          "arithmetic"
        ],
        [
          "cipher",
          "cipher#English"
        ],
        [
          "nought",
          "nought#English"
        ]
      ],
      "raw_glosses": [
        "(arithmetic) cipher, nought"
      ],
      "topics": [
        "arithmetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈze.ro/"
    }
  ],
  "word": "zero"
}