"sundio" meaning in Ido

{
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        "1": "io",
        "2": "suno",
        "3": "dio",
        "t1": "sun",
        "t2": "day"
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      "expansion": "suno (“sun”) + dio (“day”)",
      "name": "af"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "Sunday",
        "nocap": "1"
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      "expansion": "calque of English Sunday",
      "name": "calque"
    },
    {
      "args": {
        "1": "io",
        "2": "de",
        "3": "Sonntag",
        "notext": "1"
      },
      "expansion": "German Sonntag",
      "name": "calque"
    },
    {
      "args": {
        "1": "io",
        "2": "la",
        "3": "diēs Sōlis",
        "notext": "1"
      },
      "expansion": "Latin diēs Sōlis",
      "name": "calque"
    }
  ],
  "etymology_text": "From suno (“sun”) + dio (“day”), calque of English Sunday, German Sonntag, Latin diēs Sōlis.",
  "forms": [
    {
      "form": "sundii",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
        "1": "io",
        "2": "noun",
        "head": ""
      },
      "expansion": "sundio",
      "name": "head"
    },
    {
      "args": {
        "1": "sundi"
      },
      "expansion": "sundio (plural sundii)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
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          "orig": "io:Days of the week",
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            "Time",
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            "Fundamental"
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          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Easter Sunday",
          "word": "Paskosundio"
        },
        {
          "word": "sundiala"
        }
      ],
      "glosses": [
        "Sunday"
      ],
      "id": "en-sundio-io-noun-hz~vdg5d",
      "links": [
        [
          "Sunday",
          "Sunday"
        ]
      ],
      "related": [
        {
          "roman": "appendix",
          "urls": [
            "https://wiki.local/w/index.php?action=edit&title=Template%3Alist%3Adays+of+the+week%2Fio"
          ],
          "word": "days of the week: dii di la semano: lundio · mardio · merkurdio · jovdio · venerdio · saturdio · sundio [edit]"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsun.dio/"
    }
  ],
  "word": "sundio"
}

{
  "derived": [
    {
      "english": "Easter Sunday",
      "word": "Paskosundio"
    },
    {
      "word": "sundiala"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "suno",
        "3": "dio",
        "t1": "sun",
        "t2": "day"
      },
      "expansion": "suno (“sun”) + dio (“day”)",
      "name": "af"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "Sunday",
        "nocap": "1"
      },
      "expansion": "calque of English Sunday",
      "name": "calque"
    },
    {
      "args": {
        "1": "io",
        "2": "de",
        "3": "Sonntag",
        "notext": "1"
      },
      "expansion": "German Sonntag",
      "name": "calque"
    },
    {
      "args": {
        "1": "io",
        "2": "la",
        "3": "diēs Sōlis",
        "notext": "1"
      },
      "expansion": "Latin diēs Sōlis",
      "name": "calque"
    }
  ],
  "etymology_text": "From suno (“sun”) + dio (“day”), calque of English Sunday, German Sonntag, Latin diēs Sōlis.",
  "forms": [
    {
      "form": "sundii",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {
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        "2": "noun",
        "head": ""
      },
      "expansion": "sundio",
      "name": "head"
    },
    {
      "args": {
        "1": "sundi"
      },
      "expansion": "sundio (plural sundii)",
      "name": "io-noun"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "noun",
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      "urls": [
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        "Ido terms derived from Latin",
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  ],
  "sounds": [
    {
      "ipa": "/ˈsun.dio/"
    }
  ],
  "word": "sundio"
}