"adio" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "adiar",
        "3": "-o"
      },
      "expansion": "adiar + -o",
      "name": "af"
    }
  ],
  "etymology_text": "From adiar + -o.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "interjection"
      },
      "expansion": "adio",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "intj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "saluto"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ido entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ido terms suffixed with -o",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "io",
          "name": "Greetings",
          "orig": "io:Greetings",
          "parents": [
            "Social acts",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "goodbye"
      ],
      "id": "en-adio-io-intj-guNaY866",
      "links": [
        [
          "goodbye",
          "goodbye"
        ]
      ],
      "synonyms": [
        {
          "word": "til rivido"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈdi.o/"
    },
    {
      "ipa": "/aˈdi.ɔ/"
    }
  ],
  "word": "adio"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "adiar",
        "3": "-o"
      },
      "expansion": "adiar + -o",
      "name": "af"
    }
  ],
  "etymology_text": "From adiar + -o.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "interjection"
      },
      "expansion": "adio",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "intj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "saluto"
        }
      ],
      "categories": [
        "Ido entries with incorrect language header",
        "Ido entries with topic categories using raw markup",
        "Ido interjections",
        "Ido lemmas",
        "Ido terms suffixed with -o",
        "Ido terms with IPA pronunciation",
        "io:Greetings"
      ],
      "glosses": [
        "goodbye"
      ],
      "links": [
        [
          "goodbye",
          "goodbye"
        ]
      ],
      "synonyms": [
        {
          "word": "til rivido"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈdi.o/"
    },
    {
      "ipa": "/aˈdi.ɔ/"
    }
  ],
  "word": "adio"
}