"Siriws" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "Sirius"
      },
      "expansion": "Borrowed from English Sirius",
      "name": "bor+"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "Sīrius"
      },
      "expansion": "Latin Sīrius",
      "name": "uder"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "Σείριος"
      },
      "expansion": "Ancient Greek Σείριος (Seírios)",
      "name": "uder"
    }
  ],
  "etymology_text": "Borrowed from English Sirius from Latin Sīrius, from Ancient Greek Σείριος (Seírios).",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Siriws m (not mutable)",
      "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": "other",
          "name": "Welsh undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Sirius"
      ],
      "id": "en-Siriws-cy-name-PbngwTOL",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Sirius",
          "Sirius"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Sirius"
      ],
      "synonyms": [
        {
          "word": "Seren y Ci"
        }
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "Siriws"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "Sirius"
      },
      "expansion": "Borrowed from English Sirius",
      "name": "bor+"
    },
    {
      "args": {
        "1": "cy",
        "2": "la",
        "3": "Sīrius"
      },
      "expansion": "Latin Sīrius",
      "name": "uder"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "Σείριος"
      },
      "expansion": "Ancient Greek Σείριος (Seírios)",
      "name": "uder"
    }
  ],
  "etymology_text": "Borrowed from English Sirius from Latin Sīrius, from Ancient Greek Σείριος (Seírios).",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Siriws m (not mutable)",
      "name": "cy-proper noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh non-mutable terms",
        "Welsh proper nouns",
        "Welsh terms borrowed from English",
        "Welsh terms derived from Ancient Greek",
        "Welsh terms derived from English",
        "Welsh terms derived from Latin",
        "Welsh undefined derivations",
        "en:Astronomy"
      ],
      "glosses": [
        "Sirius"
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Sirius",
          "Sirius"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Sirius"
      ],
      "synonyms": [
        {
          "word": "Seren y Ci"
        }
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "Siriws"
}