"lien" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en moyen breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du moyen breton lien."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en breton du textile",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Jules Gros, Le Trésor du Breton parlé - 2 : Dictionnaire breton-français des expressions figurées, 1re édition 1970, page 317",
          "text": "Gwechall e teue gwiaderien d’ar menajou d’ober lïen.",
          "translation": "Autrefois il venait des tisserands dans les fermes pour faire de la toile."
        }
      ],
      "glosses": [
        "Toile."
      ],
      "id": "fr-lien-br-noun-hKOSo1GQ",
      "topics": [
        "textiles"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈliː.ɛn\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "lien"
}

{
  "categories": [
    "Mots en breton issus d’un mot en moyen breton",
    "Noms communs en breton",
    "breton"
  ],
  "etymology_texts": [
    "Du moyen breton lien."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton",
        "Lexique en breton du textile"
      ],
      "examples": [
        {
          "ref": "Jules Gros, Le Trésor du Breton parlé - 2 : Dictionnaire breton-français des expressions figurées, 1re édition 1970, page 317",
          "text": "Gwechall e teue gwiaderien d’ar menajou d’ober lïen.",
          "translation": "Autrefois il venait des tisserands dans les fermes pour faire de la toile."
        }
      ],
      "glosses": [
        "Toile."
      ],
      "topics": [
        "textiles"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈliː.ɛn\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "lien"
}