"Brennos" meaning in Gaulois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots attestés en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms propres utilisés dans l’onomastique gauloise",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Prénoms masculins en gaulois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gaulois",
      "orig": "gaulois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de brennos, signifiant « chef »."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "glosses": [
        "Prénom masculin gaulois."
      ],
      "id": "fr-Brennos-gaulois-name-UpHGFINc"
    },
    {
      "glosses": [
        "Roi des Sénons."
      ],
      "id": "fr-Brennos-gaulois-name-68WoGQcF"
    }
  ],
  "tags": [
    "first-name",
    "masculine"
  ],
  "word": "Brennos"
}

{
  "categories": [
    "Mots attestés en gaulois",
    "Noms propres utilisés dans l’onomastique gauloise",
    "Prénoms masculins en gaulois",
    "gaulois"
  ],
  "etymology_texts": [
    "Dérivé de brennos, signifiant « chef »."
  ],
  "lang": "Gaulois",
  "lang_code": "gaulois",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "glosses": [
        "Prénom masculin gaulois."
      ]
    },
    {
      "glosses": [
        "Roi des Sénons."
      ]
    }
  ],
  "tags": [
    "first-name",
    "masculine"
  ],
  "word": "Brennos"
}