"накануне" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes de temps en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Adverbes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Compositions en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de на, na (« en, dans ») et de канун, kanun (« veille, veillée »)."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "adv",
  "pos_title": "Adverbe",
  "raw_tags": [
    "nakanune"
  ],
  "related": [
    {
      "translation": "il y a peu",
      "word": "давеча"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en russe",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Ivan Tourgueniev",
          "text": "Накануне.",
          "translation": "À la veille."
        },
        {
          "ref": "nouvelle de Nicolas Gogol",
          "text": "Вечер накануне Ивана Купала.",
          "translation": "La Nuit de la Saint-Jean."
        }
      ],
      "glosses": [
        "Hier, au jour d’avant."
      ],
      "id": "fr-накануне-ru-adv-6KMt7lFs"
    }
  ],
  "synonyms": [
    {
      "word": "вчера"
    }
  ],
  "word": "накануне"
}

{
  "categories": [
    "Adverbes de temps en russe",
    "Adverbes en russe",
    "Compositions en russe",
    "Lemmes en russe",
    "russe"
  ],
  "etymology_texts": [
    "Composé de на, na (« en, dans ») et de канун, kanun (« veille, veillée »)."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "adv",
  "pos_title": "Adverbe",
  "raw_tags": [
    "nakanune"
  ],
  "related": [
    {
      "translation": "il y a peu",
      "word": "давеча"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en russe"
      ],
      "examples": [
        {
          "ref": "Ivan Tourgueniev",
          "text": "Накануне.",
          "translation": "À la veille."
        },
        {
          "ref": "nouvelle de Nicolas Gogol",
          "text": "Вечер накануне Ивана Купала.",
          "translation": "La Nuit de la Saint-Jean."
        }
      ],
      "glosses": [
        "Hier, au jour d’avant."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "вчера"
    }
  ],
  "word": "накануне"
}