"be" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "ve",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "ve",
      "raw_tags": [
        "Mixte"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Fañch an Uhel, Gwerziou Breiz-Izel II, Lorient, 1874, page 448",
          "text": "Ha mar be sonerien, me danso,\nHa mar na ve ket, me a gano !",
          "translation": "Et s’il y a des musiciens, je danserai, et s’il n’y en a pas, je chanterai."
        }
      ],
      "form_of": [
        {
          "word": "bezañ"
        }
      ],
      "glosses": [
        "Troisième personne du singulier du potentiel du verbe bezañ."
      ],
      "id": "fr-be-br-verb-dNvr9FZz"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈbeː\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "be"
}

{
  "categories": [
    "Formes de verbes en breton",
    "breton"
  ],
  "forms": [
    {
      "form": "ve",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "ve",
      "raw_tags": [
        "Mixte"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Fañch an Uhel, Gwerziou Breiz-Izel II, Lorient, 1874, page 448",
          "text": "Ha mar be sonerien, me danso,\nHa mar na ve ket, me a gano !",
          "translation": "Et s’il y a des musiciens, je danserai, et s’il n’y en a pas, je chanterai."
        }
      ],
      "form_of": [
        {
          "word": "bezañ"
        }
      ],
      "glosses": [
        "Troisième personne du singulier du potentiel du verbe bezañ."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈbeː\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "be"
}