"heliwm" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "helium"
      },
      "expansion": "English helium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "NL.",
        "3": "helium"
      },
      "expansion": "New Latin helium",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "ἥλιος",
        "4": "",
        "5": "sun"
      },
      "expansion": "Ancient Greek ἥλιος (hḗlios, “sun”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English helium, from New Latin helium, from Ancient Greek ἥλιος (hḗlios, “sun”) + -ium.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "heliwm m (uncountable, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "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": "Helium",
          "orig": "cy:Helium",
          "parents": [
            "Noble gases",
            "Chemical elements",
            "Gases",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "liquid helium",
          "word": "heliwm hylifol"
        },
        {
          "english": "helium nucleus",
          "word": "niwclews heliwm"
        }
      ],
      "glosses": [
        "helium"
      ],
      "id": "en-heliwm-cy-noun-ysd6-mRH",
      "links": [
        [
          "helium",
          "helium"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:heliwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈhɛljʊm/"
    },
    {
      "rhymes": "-ɛljʊm"
    }
  ],
  "word": "heliwm"
}

{
  "derived": [
    {
      "english": "liquid helium",
      "word": "heliwm hylifol"
    },
    {
      "english": "helium nucleus",
      "word": "niwclews heliwm"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "helium"
      },
      "expansion": "English helium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "NL.",
        "3": "helium"
      },
      "expansion": "New Latin helium",
      "name": "der"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "ἥλιος",
        "4": "",
        "5": "sun"
      },
      "expansion": "Ancient Greek ἥλιος (hḗlios, “sun”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English helium, from New Latin helium, from Ancient Greek ἥλιος (hḗlios, “sun”) + -ium.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "heliwm m (uncountable, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Welsh/ɛljʊm",
        "Rhymes:Welsh/ɛljʊm/2 syllables",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "Welsh terms borrowed from English",
        "Welsh terms derived from Ancient Greek",
        "Welsh terms derived from English",
        "Welsh terms derived from New Latin",
        "Welsh uncountable nouns",
        "cy:Helium"
      ],
      "glosses": [
        "helium"
      ],
      "links": [
        [
          "helium",
          "helium"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:heliwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈhɛljʊm/"
    },
    {
      "rhymes": "-ɛljʊm"
    }
  ],
  "word": "heliwm"
}