"-enn" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Suffixes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dictionnaire historique Meurgorf -enn (Lostger)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Ce suffixe, très employé, indique le singulatif de noms collectifs. Il donne au mot, sauf exceptions, le genre féminin."
      ],
      "id": "fr--enn-br-suffix-UNFZWnNy"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛn\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-enn"
}

{
  "categories": [
    "Suffixes en breton",
    "breton"
  ],
  "etymology_texts": [
    "Dictionnaire historique Meurgorf -enn (Lostger)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "Ce suffixe, très employé, indique le singulatif de noms collectifs. Il donne au mot, sauf exceptions, le genre féminin."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛn\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-enn"
}