"наступного року" meaning in Ukrainian

{
  "etymology_text": "Genitive singular forms of насту́пний (nastúpnyj, “next”) and рік (rik, “year”).",
  "forms": [
    {
      "form": "насту́пного ро́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nastúpnoho róku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "насту́пного ро́ку"
      },
      "expansion": "насту́пного ро́ку • (nastúpnoho róku)",
      "name": "uk-adv"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "next year"
      ],
      "id": "en-наступного_року-uk-adv-FNCYW4J3",
      "links": [
        [
          "next year",
          "next year#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɐˈstupnɔɦɔ ˈrɔkʊ]"
    }
  ],
  "word": "наступного року"
}

{
  "etymology_text": "Genitive singular forms of насту́пний (nastúpnyj, “next”) and рік (rik, “year”).",
  "forms": [
    {
      "form": "насту́пного ро́ку",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nastúpnoho róku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "насту́пного ро́ку"
      },
      "expansion": "насту́пного ро́ку • (nastúpnoho róku)",
      "name": "uk-adv"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Ukrainian adverbs",
        "Ukrainian entries with incorrect language header",
        "Ukrainian lemmas",
        "Ukrainian multiword terms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "glosses": [
        "next year"
      ],
      "links": [
        [
          "next year",
          "next year#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɐˈstupnɔɦɔ ˈrɔkʊ]"
    }
  ],
  "word": "наступного року"
}