"levn" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "dilevn"
    },
    {
      "word": "levnaat"
    },
    {
      "word": "levnadur"
    },
    {
      "word": "levnañ"
    },
    {
      "word": "levnded"
    },
    {
      "word": "levnder"
    },
    {
      "word": "levnenn"
    },
    {
      "word": "levniñ"
    }
  ],
  "etymology_texts": [
    " ",
    "À comparer avec les adjectifs llyfn, llefn en gallois, leven en cornique (sens identique)."
  ],
  "forms": [
    {
      "form": "levnocʼh",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "levnañ",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "levnat",
      "raw_tags": [
        "Exclamatif"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Lisse, poli, uni."
      ],
      "id": "fr-levn-br-adj-ebfcJ7qQ"
    },
    {
      "glosses": [
        "Aplani."
      ],
      "id": "fr-levn-br-adj-4W48dLMt"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈlẽwn\\"
    }
  ],
  "word": "levn"
}

{
  "categories": [
    "Adjectifs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "dilevn"
    },
    {
      "word": "levnaat"
    },
    {
      "word": "levnadur"
    },
    {
      "word": "levnañ"
    },
    {
      "word": "levnded"
    },
    {
      "word": "levnder"
    },
    {
      "word": "levnenn"
    },
    {
      "word": "levniñ"
    }
  ],
  "etymology_texts": [
    " ",
    "À comparer avec les adjectifs llyfn, llefn en gallois, leven en cornique (sens identique)."
  ],
  "forms": [
    {
      "form": "levnocʼh",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "levnañ",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "levnat",
      "raw_tags": [
        "Exclamatif"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Lisse, poli, uni."
      ]
    },
    {
      "glosses": [
        "Aplani."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈlẽwn\\"
    }
  ],
  "word": "levn"
}