"deil" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en moyen breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en vieux breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "dizeil"
    }
  ],
  "etymology_texts": [
    "Du moyen breton del, issu du vieux breton dol.",
    "À comparer avec les mots dail en gallois, dél en cornique, duille en irlandais (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "del"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en breton de la botanique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Feuillage (d'arbre)."
      ],
      "id": "fr-deil-br-noun-HZ~Qa48Z",
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈdejl\\"
    },
    {
      "ipa": "\\ˈdejl\\"
    }
  ],
  "synonyms": [
    {
      "word": "delioù"
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "deil"
}

{
  "categories": [
    "Mots en breton issus d’un mot en moyen breton",
    "Mots en breton issus d’un mot en vieux breton",
    "Noms communs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "dizeil"
    }
  ],
  "etymology_texts": [
    "Du moyen breton del, issu du vieux breton dol.",
    "À comparer avec les mots dail en gallois, dél en cornique, duille en irlandais (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "del"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en breton de la botanique"
      ],
      "glosses": [
        "Feuillage (d'arbre)."
      ],
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈdejl\\"
    },
    {
      "ipa": "\\ˈdejl\\"
    }
  ],
  "synonyms": [
    {
      "word": "delioù"
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "deil"
}