"sundio" meaning in Ido

{
  "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"
      ]
    }
  ],
  "head_templates": [
    {
      "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",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Easter Sunday",
          "word": "Paskosundio"
        },
        {
          "word": "sundiala"
        }
      ],
      "glosses": [
        "Sunday"
      ],
      "id": "en-sundio-io-noun-hz~vdg5d",
      "links": [
        [
          "Sunday",
          "Sunday"
        ]
      ],
      "related": [
        {
          "topics": [
            "days-of-the-week",
            "weekdays",
            "time"
          ],
          "word": "dii di la semano"
        },
        {
          "word": "lundio"
        },
        {
          "word": "mardio"
        },
        {
          "word": "merkurdio"
        },
        {
          "word": "jovdio"
        },
        {
          "word": "venerdio"
        },
        {
          "word": "saturdio"
        }
      ]
    }
  ],
  "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"
      ]
    }
  ],
  "head_templates": [
    {
      "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",
  "related": [
    {
      "topics": [
        "days-of-the-week",
        "weekdays",
        "time"
      ],
      "word": "dii di la semano"
    },
    {
      "word": "lundio"
    },
    {
      "word": "mardio"
    },
    {
      "word": "merkurdio"
    },
    {
      "word": "jovdio"
    },
    {
      "word": "venerdio"
    },
    {
      "word": "saturdio"
    }
  ],
  "senses": [
    {
      "categories": [
        "Ido compound terms",
        "Ido entries with incorrect language header",
        "Ido lemmas",
        "Ido nouns",
        "Ido terms calqued from English",
        "Ido terms calqued from German",
        "Ido terms calqued from Latin",
        "Ido terms derived from English",
        "Ido terms derived from German",
        "Ido terms derived from Latin",
        "Ido terms with IPA pronunciation"
      ],
      "glosses": [
        "Sunday"
      ],
      "links": [
        [
          "Sunday",
          "Sunday"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsun.dio/"
    }
  ],
  "word": "sundio"
}