"biken" meaning in Breton

{
  "antonyms": [
    {
      "word": "atav"
    },
    {
      "word": "bepred"
    },
    {
      "word": "dalbezh"
    },
    {
      "word": "dalc’hmat"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "à jamais, pour toujours",
      "word": "da viken"
    }
  ],
  "etymology_texts": [
    "Biken (biquen, 1659), adv., jamais, de *bi(zh) + ken."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adv",
  "pos_title": "Adverbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Yann ar Flocʼh, Koñchennou eus Bro ar Ster Aon, Kemper, 1950, page 171",
          "text": "« Biken ne c’hellin ober kement-se. »",
          "translation": "« Jamais je ne pourrai faire tout cela. »"
        }
      ],
      "glosses": [
        "Jamais (uniquement au futur)."
      ],
      "id": "fr-biken-br-adv-f5zLGtlt"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈbikːɛn\\"
    }
  ],
  "synonyms": [
    {
      "word": "birviken"
    }
  ],
  "word": "biken"
}

{
  "antonyms": [
    {
      "word": "atav"
    },
    {
      "word": "bepred"
    },
    {
      "word": "dalbezh"
    },
    {
      "word": "dalc’hmat"
    }
  ],
  "categories": [
    "Adverbes en breton",
    "breton"
  ],
  "derived": [
    {
      "translation": "à jamais, pour toujours",
      "word": "da viken"
    }
  ],
  "etymology_texts": [
    "Biken (biquen, 1659), adv., jamais, de *bi(zh) + ken."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adv",
  "pos_title": "Adverbe",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Yann ar Flocʼh, Koñchennou eus Bro ar Ster Aon, Kemper, 1950, page 171",
          "text": "« Biken ne c’hellin ober kement-se. »",
          "translation": "« Jamais je ne pourrai faire tout cela. »"
        }
      ],
      "glosses": [
        "Jamais (uniquement au futur)."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈbikːɛn\\"
    }
  ],
  "synonyms": [
    {
      "word": "birviken"
    }
  ],
  "word": "biken"
}