"a-berth yn" meaning in Cornique

{
  "categories": [
    {
      "kind": "other",
      "name": "Prépositions en cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique moyen révisé",
      "orig": "cornique moyen révisé",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Forme écrite standard",
      "orig": "forme écrite standard",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "prep",
  "pos_title": "Préposition",
  "raw_tags": [
    "forme écrite standard - Strandard Written Form, version en cornique moyen révisé"
  ],
  "senses": [
    {
      "glosses": [
        "Variante de a-berth."
      ],
      "id": "fr-a-berth_yn-kw-prep-A4FyWIsN"
    }
  ],
  "word": "a-berth yn"
}

{
  "categories": [
    "Prépositions en cornique",
    "cornique",
    "cornique moyen révisé",
    "forme écrite standard"
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "prep",
  "pos_title": "Préposition",
  "raw_tags": [
    "forme écrite standard - Strandard Written Form, version en cornique moyen révisé"
  ],
  "senses": [
    {
      "glosses": [
        "Variante de a-berth."
      ]
    }
  ],
  "word": "a-berth yn"
}