"Caer Gwydion" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "caer",
        "3": "Gwydion",
        "t1": "fort"
      },
      "expansion": "caer (“fort”) + Gwydion",
      "name": "compound"
    }
  ],
  "etymology_text": "From caer (“fort”) + Gwydion, \"Gwydion's fort\".",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "Caer Gwydion"
      },
      "expansion": "Caer Gwydion m",
      "name": "cy-proper noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Astronomy",
          "orig": "cy:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Galaxies",
          "orig": "cy:Galaxies",
          "parents": [
            "Celestial bodies",
            "Space",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the Milky Way"
      ],
      "id": "en-Caer_Gwydion-cy-name-WlQarMdk",
      "links": [
        [
          "Milky Way",
          "Milky Way"
        ]
      ],
      "raw_glosses": [
        "(literary) the Milky Way"
      ],
      "synonyms": [
        {
          "word": "Bwa'r Gwynt"
        },
        {
          "word": "Caer Arianrhod"
        },
        {
          "word": "Ffordd Laethog"
        },
        {
          "word": "Ffordd Laethwen"
        },
        {
          "word": "Ffordd Wen"
        },
        {
          "word": "Gwregys Llaethol"
        },
        {
          "word": "Heol y Gwynt"
        },
        {
          "word": "hynt San Ialm"
        },
        {
          "word": "Llwybr Llaethog"
        },
        {
          "word": "Llwybr y Gwynt"
        }
      ],
      "tags": [
        "literary",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌkaːɨ̯r ˈɡwədjɔn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌkaːɨ̯r ˈɡwɨ̞djɔn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌkai̯r ˈɡwədjɔn/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "ipa": "/ˌkai̯r ˈɡwɪdjɔn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "Caer Gwydion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "caer",
        "3": "Gwydion",
        "t1": "fort"
      },
      "expansion": "caer (“fort”) + Gwydion",
      "name": "compound"
    }
  ],
  "etymology_text": "From caer (“fort”) + Gwydion, \"Gwydion's fort\".",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "Caer Gwydion"
      },
      "expansion": "Caer Gwydion m",
      "name": "cy-proper noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh compound terms",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh literary terms",
        "Welsh masculine nouns",
        "Welsh multiword terms",
        "Welsh proper nouns",
        "cy:Astronomy",
        "cy:Galaxies"
      ],
      "glosses": [
        "the Milky Way"
      ],
      "links": [
        [
          "Milky Way",
          "Milky Way"
        ]
      ],
      "raw_glosses": [
        "(literary) the Milky Way"
      ],
      "synonyms": [
        {
          "word": "Bwa'r Gwynt"
        },
        {
          "word": "Caer Arianrhod"
        },
        {
          "word": "Ffordd Laethog"
        },
        {
          "word": "Ffordd Laethwen"
        },
        {
          "word": "Ffordd Wen"
        },
        {
          "word": "Gwregys Llaethol"
        },
        {
          "word": "Heol y Gwynt"
        },
        {
          "word": "hynt San Ialm"
        },
        {
          "word": "Llwybr Llaethog"
        },
        {
          "word": "Llwybr y Gwynt"
        }
      ],
      "tags": [
        "literary",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌkaːɨ̯r ˈɡwədjɔn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌkaːɨ̯r ˈɡwɨ̞djɔn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˌkai̯r ˈɡwədjɔn/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "ipa": "/ˌkai̯r ˈɡwɪdjɔn/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "Caer Gwydion"
}