"навечер" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "на̏вече̄р",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nȁvečēr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "на̏вече̄р"
      },
      "expansion": "на̏вече̄р (Latin spelling nȁvečēr)",
      "name": "sh-adverb"
    }
  ],
  "hyphenation": [
    "на‧ве‧чер"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sh",
          "name": "Time",
          "orig": "sh:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "in the evening"
      ],
      "id": "en-навечер-sh-adv-58Mfgycx",
      "links": [
        [
          "evening",
          "evening"
        ]
      ],
      "related": [
        {
          "word": "увечер"
        }
      ],
      "synonyms": [
        {
          "word": "на̏вече̄"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nâʋet͡ʃeːr/"
    }
  ],
  "word": "навечер"
}

{
  "forms": [
    {
      "form": "на̏вече̄р",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nȁvečēr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "на̏вече̄р"
      },
      "expansion": "на̏вече̄р (Latin spelling nȁvečēr)",
      "name": "sh-adverb"
    }
  ],
  "hyphenation": [
    "на‧ве‧чер"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "adv",
  "related": [
    {
      "word": "увечер"
    }
  ],
  "senses": [
    {
      "categories": [
        "Serbo-Croatian adverbs",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian terms with IPA pronunciation",
        "sh:Time"
      ],
      "glosses": [
        "in the evening"
      ],
      "links": [
        [
          "evening",
          "evening"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nâʋet͡ʃeːr/"
    }
  ],
  "synonyms": [
    {
      "word": "на̏вече̄"
    }
  ],
  "word": "навечер"
}