"arvouk" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dérivations en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en breton préfixés avec ar-",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de mouk (« pourpre »), avec le préfixe ar- (avec une mutation consonantique par adoucissement mouk → vouk)."
  ],
  "forms": [
    {
      "form": "arvoukocʼh",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "arvoukañ",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "arvoukat",
      "raw_tags": [
        "Exclamatif"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Couleurs en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Qui tend au pourpre."
      ],
      "id": "fr-arvouk-br-adj-O4ImmPzQ",
      "topics": [
        "colorimetry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈar.vuk\\"
    }
  ],
  "word": "arvouk"
}

{
  "categories": [
    "Adjectifs en breton",
    "Dérivations en breton",
    "Mots en breton préfixés avec ar-",
    "breton"
  ],
  "etymology_texts": [
    "Dérivé de mouk (« pourpre »), avec le préfixe ar- (avec une mutation consonantique par adoucissement mouk → vouk)."
  ],
  "forms": [
    {
      "form": "arvoukocʼh",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "arvoukañ",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "arvoukat",
      "raw_tags": [
        "Exclamatif"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        "Couleurs en breton"
      ],
      "glosses": [
        "Qui tend au pourpre."
      ],
      "topics": [
        "colorimetry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈar.vuk\\"
    }
  ],
  "word": "arvouk"
}