"’y" meaning in Gallois

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Déterminants en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallois",
      "orig": "gallois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de fy."
  ],
  "forms": [
    {
      "form": "fy"
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "det",
  "pos_title": "Déterminant",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en gallois",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Yn ’y meddwl i.",
          "translation": "À mon avis."
        }
      ],
      "glosses": [
        "Possessif de la première personne du singulier ; provoque la mutation nasale."
      ],
      "id": "fr-’y-cy-det-s7sDAaan"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en gallois",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Mae e’n ’y nghofio fi.",
          "translation": "Il se rappelle de moi."
        }
      ],
      "glosses": [
        "Pronom complément direct de la première personne du singulier ; provoque la mutation nasale."
      ],
      "id": "fr-’y-cy-det-ZQ4ee~0l"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ə\\"
    }
  ],
  "word": "’y"
}

{
  "categories": [
    "Compositions en gallois",
    "Déterminants en gallois",
    "gallois"
  ],
  "etymology_texts": [
    "Composé de fy."
  ],
  "forms": [
    {
      "form": "fy"
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "det",
  "pos_title": "Déterminant",
  "senses": [
    {
      "categories": [
        "Exemples en gallois"
      ],
      "examples": [
        {
          "text": "Yn ’y meddwl i.",
          "translation": "À mon avis."
        }
      ],
      "glosses": [
        "Possessif de la première personne du singulier ; provoque la mutation nasale."
      ]
    },
    {
      "categories": [
        "Exemples en gallois"
      ],
      "examples": [
        {
          "text": "Mae e’n ’y nghofio fi.",
          "translation": "Il se rappelle de moi."
        }
      ],
      "glosses": [
        "Pronom complément direct de la première personne du singulier ; provoque la mutation nasale."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ə\\"
    }
  ],
  "word": "’y"
}