"duono" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "du<t:2>",
        "3": "-ono<pos:fraction suffix>"
      },
      "expansion": "du (“2”) + -ono (fraction suffix)",
      "name": "af"
    }
  ],
  "etymology_text": "From du (“2”) + -ono (fraction suffix).",
  "forms": [
    {
      "form": "duonon",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "duonoj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "duonojn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "duono (accusative singular duonon, plural duonoj, accusative plural duonojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "du‧o‧no"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Esperanto fractional numbers",
          "parents": [
            "Fractional numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto terms suffixed with -ono",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "half",
          "tags": [
            "adjective"
          ],
          "word": "duona"
        },
        {
          "english": "halfway",
          "word": "duone"
        },
        {
          "english": "peninsula",
          "word": "duoninsulo"
        },
        {
          "english": "semiannual",
          "word": "duonjara"
        },
        {
          "english": "penumbra",
          "word": "duonombro"
        },
        {
          "english": "semivowel",
          "word": "duonvokalo"
        }
      ],
      "glosses": [
        "half"
      ],
      "id": "en-duono-eo-noun-oRrgZGnG",
      "links": [
        [
          "half",
          "half"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[duˈono]"
    },
    {
      "rhymes": "-ono"
    }
  ],
  "word": "duono"
}

{
  "derived": [
    {
      "english": "half",
      "tags": [
        "adjective"
      ],
      "word": "duona"
    },
    {
      "english": "halfway",
      "word": "duone"
    },
    {
      "english": "peninsula",
      "word": "duoninsulo"
    },
    {
      "english": "semiannual",
      "word": "duonjara"
    },
    {
      "english": "penumbra",
      "word": "duonombro"
    },
    {
      "english": "semivowel",
      "word": "duonvokalo"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "du<t:2>",
        "3": "-ono<pos:fraction suffix>"
      },
      "expansion": "du (“2”) + -ono (fraction suffix)",
      "name": "af"
    }
  ],
  "etymology_text": "From du (“2”) + -ono (fraction suffix).",
  "forms": [
    {
      "form": "duonon",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "duonoj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "duonojn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "duono (accusative singular duonon, plural duonoj, accusative plural duonojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "du‧o‧no"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Esperanto entries with incorrect language header",
        "Esperanto entries with language name categories using raw markup",
        "Esperanto fractional numbers",
        "Esperanto lemmas",
        "Esperanto nouns",
        "Esperanto terms suffixed with -ono",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio links",
        "Rhymes:Esperanto/ono"
      ],
      "glosses": [
        "half"
      ],
      "links": [
        [
          "half",
          "half"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[duˈono]"
    },
    {
      "rhymes": "-ono"
    }
  ],
  "word": "duono"
}