"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": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "io",
          "name": "Days of the week",
          "orig": "io:Days of the week",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Easter Sunday",
          "translation": "Easter Sunday",
          "word": "Paskosundio"
        },
        {
          "word": "sundiala"
        }
      ],
      "glosses": [
        "Sunday"
      ],
      "id": "en-sundio-io-noun-hz~vdg5d",
      "links": [
        [
          "Sunday",
          "Sunday"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsun.dio/"
    }
  ],
  "word": "sundio"
}

{
  "derived": [
    {
      "english": "Easter Sunday",
      "translation": "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",
  "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",
        "Pages with 1 entry",
        "Pages with entries",
        "io:Days of the week"
      ],
      "glosses": [
        "Sunday"
      ],
      "links": [
        [
          "Sunday",
          "Sunday"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsun.dio/"
    }
  ],
  "word": "sundio"
}