"yezh-vamm" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Lexique en breton de la linguistique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "→ voir yezh et mamm."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Langue maternelle."
      ],
      "id": "fr-yezh-vamm-br-noun-Rp0WVHDX"
    }
  ],
  "sounds": [
    {
      "ipa": "\\jesˈvãmː\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "yezh-vamm"
}

{
  "categories": [
    "Lexique en breton de la linguistique",
    "Noms communs en breton",
    "breton"
  ],
  "etymology_texts": [
    "→ voir yezh et mamm."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Langue maternelle."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\jesˈvãmː\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "yezh-vamm"
}