"-aghyn" meaning in Mannois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en mannois issus d’un mot en vieil irlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suffixes en mannois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mannois",
      "orig": "mannois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieil irlandais -acha."
  ],
  "lang": "Mannois",
  "lang_code": "gv",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "examples": [
        {
          "text": "ayr (« père ») + -aghyn → ayraghyn (« pères »)"
        },
        {
          "text": "laa (« jour ») + -aghyn → laghyn (« jours »)"
        }
      ],
      "glosses": [
        "Suffixe de pluralisation de nom commun."
      ],
      "id": "fr--aghyn-gv-suffix-OgFWzOhb"
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-aghyn"
}

{
  "categories": [
    "Mots en mannois issus d’un mot en vieil irlandais",
    "Suffixes en mannois",
    "mannois"
  ],
  "etymology_texts": [
    "Du vieil irlandais -acha."
  ],
  "lang": "Mannois",
  "lang_code": "gv",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "examples": [
        {
          "text": "ayr (« père ») + -aghyn → ayraghyn (« pères »)"
        },
        {
          "text": "laa (« jour ») + -aghyn → laghyn (« jours »)"
        }
      ],
      "glosses": [
        "Suffixe de pluralisation de nom commun."
      ]
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-aghyn"
}