"Константин" meaning in Bulgare

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en russe issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prénoms masculins en bulgare",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Bulgare",
      "orig": "bulgare",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave константинъ, konstantinŭ."
  ],
  "forms": [
    {
      "form": "Константина",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Bulgare",
  "lang_code": "bg",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en bulgare",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Константин Асен.",
          "translation": "Constantin Iᵉʳ Asen."
        }
      ],
      "glosses": [
        "Constantin."
      ],
      "id": "fr-Константин-bg-name-sZi-mD09"
    }
  ],
  "tags": [
    "first name",
    "masculine"
  ],
  "word": "Константин"
}

{
  "categories": [
    "Mots en russe issus d’un mot en vieux slave",
    "Prénoms masculins en bulgare",
    "bulgare"
  ],
  "etymology_texts": [
    "Du vieux slave константинъ, konstantinŭ."
  ],
  "forms": [
    {
      "form": "Константина",
      "source": "form line template 'équiv-pour'",
      "tags": [
        "feminine"
      ]
    }
  ],
  "lang": "Bulgare",
  "lang_code": "bg",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "categories": [
        "Exemples en bulgare"
      ],
      "examples": [
        {
          "text": "Константин Асен.",
          "translation": "Constantin Iᵉʳ Asen."
        }
      ],
      "glosses": [
        "Constantin."
      ]
    }
  ],
  "tags": [
    "first name",
    "masculine"
  ],
  "word": "Константин"
}