"азбука" meaning in Biélorusse

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en biélorusse issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en biélorusse",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Biélorusse",
      "orig": "biélorusse",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave азъбукы, formé des noms des deux premières lettres de l’alphabet азъ et бѹкы."
  ],
  "forms": [
    {
      "form": "а́збука",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "Biélorusse",
  "lang_code": "be",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en biélorusse de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alphabet."
      ],
      "id": "fr-азбука-be-noun-jgKFXTdh",
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈaz.bu.ka\\"
    }
  ],
  "synonyms": [
    {
      "word": "алфавіт"
    },
    {
      "word": "альфабэт"
    }
  ],
  "tags": [
    "feminine",
    "inanimate"
  ],
  "word": "азбука"
}

{
  "categories": [
    "Mots en biélorusse issus d’un mot en vieux slave",
    "Noms communs en biélorusse",
    "biélorusse"
  ],
  "etymology_texts": [
    "Du vieux slave азъбукы, formé des noms des deux premières lettres de l’alphabet азъ et бѹкы."
  ],
  "forms": [
    {
      "form": "а́збука",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "Biélorusse",
  "lang_code": "be",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en biélorusse de la linguistique"
      ],
      "glosses": [
        "Alphabet."
      ],
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈaz.bu.ka\\"
    }
  ],
  "synonyms": [
    {
      "word": "алфавіт"
    },
    {
      "word": "альфабэт"
    }
  ],
  "tags": [
    "feminine",
    "inanimate"
  ],
  "word": "азбука"
}