"undydd a blwyddyn" meaning in Welsh

{
  "etymology_text": "Literally “a day and a year”.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "undydd a blwyddyn m (uncountable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Law",
          "orig": "cy:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "47 53",
          "kind": "topical",
          "langcode": "cy",
          "name": "Time",
          "orig": "cy:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a year and a day"
      ],
      "id": "en-undydd_a_blwyddyn-cy-noun-BD5ugEXQ",
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "a year and a day",
          "a year and a day"
        ]
      ],
      "raw_glosses": [
        "(law, idiomatic) a year and a day"
      ],
      "tags": [
        "idiomatic",
        "masculine",
        "uncountable"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɨ̞ndɨ̞ð a ˈblʊɨ̯ðɨ̞n/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌɪndɪð a ˈblʊi̯ðɪn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "undydd a blwyddyn"
}

{
  "etymology_text": "Literally “a day and a year”.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "undydd a blwyddyn",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "hundydd a blwyddyn",
      "source": "mutation",
      "tags": [
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "adverb"
      },
      "expansion": "undydd a blwyddyn",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Law",
          "orig": "cy:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "62 38",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Welsh coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "topical",
          "langcode": "cy",
          "name": "Time",
          "orig": "cy:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "for a year and a day"
      ],
      "id": "en-undydd_a_blwyddyn-cy-adv-oc1ACrkQ",
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "a year and a day",
          "a year and a day"
        ]
      ],
      "raw_glosses": [
        "(law, idiomatic) for a year and a day"
      ],
      "tags": [
        "idiomatic"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɨ̞ndɨ̞ð a ˈblʊɨ̯ðɨ̞n/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌɪndɪð a ˈblʊi̯ðɪn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "undydd a blwyddyn"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Welsh adverbs",
    "Welsh coordinated pairs",
    "Welsh entries with incorrect language header",
    "Welsh lemmas",
    "Welsh masculine nouns",
    "Welsh multiword terms",
    "Welsh nouns",
    "Welsh uncountable nouns",
    "cy:Time"
  ],
  "etymology_text": "Literally “a day and a year”.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "undydd a blwyddyn m (uncountable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Welsh idioms",
        "cy:Law"
      ],
      "glosses": [
        "a year and a day"
      ],
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "a year and a day",
          "a year and a day"
        ]
      ],
      "raw_glosses": [
        "(law, idiomatic) a year and a day"
      ],
      "tags": [
        "idiomatic",
        "masculine",
        "uncountable"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɨ̞ndɨ̞ð a ˈblʊɨ̯ðɨ̞n/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌɪndɪð a ˈblʊi̯ðɪn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "undydd a blwyddyn"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Welsh adverbs",
    "Welsh coordinated pairs",
    "Welsh entries with incorrect language header",
    "Welsh lemmas",
    "Welsh masculine nouns",
    "Welsh multiword terms",
    "Welsh nouns",
    "Welsh uncountable nouns",
    "cy:Time"
  ],
  "etymology_text": "Literally “a day and a year”.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "undydd a blwyddyn",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "hundydd a blwyddyn",
      "source": "mutation",
      "tags": [
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "adverb"
      },
      "expansion": "undydd a blwyddyn",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Welsh idioms",
        "cy:Law"
      ],
      "glosses": [
        "for a year and a day"
      ],
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "a year and a day",
          "a year and a day"
        ]
      ],
      "raw_glosses": [
        "(law, idiomatic) for a year and a day"
      ],
      "tags": [
        "idiomatic"
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɨ̞ndɨ̞ð a ˈblʊɨ̯ðɨ̞n/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌɪndɪð a ˈblʊi̯ðɪn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "undydd a blwyddyn"
}