"llyn" meaning in Gallois

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallois",
      "orig": "gallois",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "Dulyn"
    },
    {
      "word": "Llyn"
    },
    {
      "word": "Llyn Anafon"
    },
    {
      "word": "Llyn Morfa Gwyllt"
    },
    {
      "word": "Llyn Tegid"
    }
  ],
  "etymology_texts": [
    "Apparenté au breton lenn."
  ],
  "forms": [
    {
      "form": "llynnoedd",
      "tags": [
        "plural",
        "unmutated"
      ]
    },
    {
      "form": "lyn",
      "raw_tags": [
        "Lénition"
      ],
      "tags": [
        "singular"
      ]
    },
    {
      "form": "lynnoedd",
      "raw_tags": [
        "Lénition"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en gallois de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Lac."
      ],
      "id": "fr-llyn-cy-noun-YmiHgyXB",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɬɨ̞n\\"
    },
    {
      "ipa": "\\ɬɪn\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "llyn"
}

{
  "categories": [
    "Noms communs en gallois",
    "gallois"
  ],
  "derived": [
    {
      "word": "Dulyn"
    },
    {
      "word": "Llyn"
    },
    {
      "word": "Llyn Anafon"
    },
    {
      "word": "Llyn Morfa Gwyllt"
    },
    {
      "word": "Llyn Tegid"
    }
  ],
  "etymology_texts": [
    "Apparenté au breton lenn."
  ],
  "forms": [
    {
      "form": "llynnoedd",
      "tags": [
        "plural",
        "unmutated"
      ]
    },
    {
      "form": "lyn",
      "raw_tags": [
        "Lénition"
      ],
      "tags": [
        "singular"
      ]
    },
    {
      "form": "lynnoedd",
      "raw_tags": [
        "Lénition"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en gallois de la géographie"
      ],
      "glosses": [
        "Lac."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɬɨ̞n\\"
    },
    {
      "ipa": "\\ɬɪn\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "llyn"
}