"cʼherreg" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "kerreg",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "gerreg",
      "tags": [
        "mutation-soft"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Fañch al Lae, Bilzig, Ad. Le Goaziou, leorier, Kemper, 1925, page 143",
          "text": "Diwar an ôd ne oad ket evit kas d’ê sikour : an tôliou-mor a frege re rust war ar c’herreg.",
          "translation": "Du rivage on n’était pas en mesure de leur envoyer du secours : les coups de mer se brisaient trop brutalement sur les récifs."
        }
      ],
      "form_of": [
        {
          "word": "kerreg"
        }
      ],
      "glosses": [
        "Forme mutée de kerreg par spirantisation (k > cʼh)."
      ],
      "id": "fr-cʼherreg-br-noun-P~RvspbB"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɣɛrːek\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "cʼherreg"
}

{
  "categories": [
    "Formes de noms communs en breton",
    "breton"
  ],
  "forms": [
    {
      "form": "kerreg",
      "tags": [
        "unmutated"
      ]
    },
    {
      "form": "gerreg",
      "tags": [
        "mutation-soft"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Fañch al Lae, Bilzig, Ad. Le Goaziou, leorier, Kemper, 1925, page 143",
          "text": "Diwar an ôd ne oad ket evit kas d’ê sikour : an tôliou-mor a frege re rust war ar c’herreg.",
          "translation": "Du rivage on n’était pas en mesure de leur envoyer du secours : les coups de mer se brisaient trop brutalement sur les récifs."
        }
      ],
      "form_of": [
        {
          "word": "kerreg"
        }
      ],
      "glosses": [
        "Forme mutée de kerreg par spirantisation (k > cʼh)."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɣɛrːek\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "cʼherreg"
}