"o-femp" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de o (« leur, leurs ») et de femp (« cinq »), forme mutée de pemp par spirantisation."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adv",
  "pos_title": "Adverbe",
  "related": [
    {
      "word": "o-unan"
    },
    {
      "word": "o-daou"
    },
    {
      "word": "o-div"
    },
    {
      "word": "o-zri"
    },
    {
      "word": "o-zeir"
    },
    {
      "word": "o-fevar"
    },
    {
      "word": "o-feder"
    },
    {
      "word": "o-zrizek"
    }
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Fañch an Uhel, Kontadennoù ar Bobl /3, Éditions Al Liamm, 1988, page 21",
          "text": "Setu-int o-femp ’barzh ar c’harroñs.",
          "translation": "Les voici tous les cinq à l’intérieur du carrosse."
        }
      ],
      "glosses": [
        "Elles cinq, toutes les cinq ; Eux cinq, tous les cinq."
      ],
      "id": "fr-o-femp-br-adv-IYM6EfXH"
    }
  ],
  "sounds": [
    {
      "ipa": "\\oˈf̬ɛm(p)\\"
    }
  ],
  "word": "o-femp"
}

{
  "categories": [
    "Adverbes en breton",
    "breton"
  ],
  "etymology_texts": [
    "Composé de o (« leur, leurs ») et de femp (« cinq »), forme mutée de pemp par spirantisation."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adv",
  "pos_title": "Adverbe",
  "related": [
    {
      "word": "o-unan"
    },
    {
      "word": "o-daou"
    },
    {
      "word": "o-div"
    },
    {
      "word": "o-zri"
    },
    {
      "word": "o-zeir"
    },
    {
      "word": "o-fevar"
    },
    {
      "word": "o-feder"
    },
    {
      "word": "o-zrizek"
    }
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Fañch an Uhel, Kontadennoù ar Bobl /3, Éditions Al Liamm, 1988, page 21",
          "text": "Setu-int o-femp ’barzh ar c’harroñs.",
          "translation": "Les voici tous les cinq à l’intérieur du carrosse."
        }
      ],
      "glosses": [
        "Elles cinq, toutes les cinq ; Eux cinq, tous les cinq."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\oˈf̬ɛm(p)\\"
    }
  ],
  "word": "o-femp"
}