"rhyg" meaning in Welsh

{
  "forms": [
    {
      "form": "rhygau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "rhyg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "ryg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-soft"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "rhygau"
      },
      "expansion": "rhyg m (plural rhygau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Grains",
          "orig": "cy:Grains",
          "parents": [
            "Foods",
            "Grasses",
            "Eating",
            "Food and drink",
            "Commelinids",
            "Human behaviour",
            "All topics",
            "Plants",
            "Human",
            "Fundamental",
            "Lifeforms",
            "Life",
            "Nature"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Hordeeae tribe grasses",
          "orig": "cy:Hordeeae tribe grasses",
          "parents": [
            "Grasses",
            "Commelinids",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "sense": "Cereals",
          "word": "ŷd"
        },
        {
          "word": "ceirch"
        },
        {
          "word": "gwenith"
        },
        {
          "word": "haidd"
        },
        {
          "word": "indrawn"
        },
        {
          "word": "india-corn"
        },
        {
          "word": "miled"
        },
        {
          "word": "reis"
        },
        {
          "word": "rhygwenith"
        },
        {
          "word": "sbelt"
        },
        {
          "word": "sorgwm"
        }
      ],
      "derived": [
        {
          "english": "rye bread",
          "word": "bara rhyg"
        },
        {
          "english": "ryegrass",
          "word": "rhygwellt"
        },
        {
          "english": "triticale",
          "word": "rhygwenith"
        }
      ],
      "glosses": [
        "rye"
      ],
      "id": "en-rhyg-cy-noun-v6waQjAx",
      "links": [
        [
          "rye",
          "rye"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "cy:rhyg"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/r̥ɨːɡ/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/r̥iːɡ/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "rhyg"
}

{
  "coordinate_terms": [
    {
      "sense": "Cereals",
      "word": "ŷd"
    },
    {
      "word": "ceirch"
    },
    {
      "word": "gwenith"
    },
    {
      "word": "haidd"
    },
    {
      "word": "indrawn"
    },
    {
      "word": "india-corn"
    },
    {
      "word": "miled"
    },
    {
      "word": "reis"
    },
    {
      "word": "rhygwenith"
    },
    {
      "word": "sbelt"
    },
    {
      "word": "sorgwm"
    }
  ],
  "derived": [
    {
      "english": "rye bread",
      "word": "bara rhyg"
    },
    {
      "english": "ryegrass",
      "word": "rhygwellt"
    },
    {
      "english": "triticale",
      "word": "rhygwenith"
    }
  ],
  "forms": [
    {
      "form": "rhygau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "rhyg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "ryg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-soft"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "rhygau"
      },
      "expansion": "rhyg m (plural rhygau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "Welsh terms with IPA pronunciation",
        "cy:Grains",
        "cy:Hordeeae tribe grasses"
      ],
      "glosses": [
        "rye"
      ],
      "links": [
        [
          "rye",
          "rye"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "cy:rhyg"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/r̥ɨːɡ/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/r̥iːɡ/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "rhyg"
}