"seleniwm" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "selenium"
      },
      "expansion": "English selenium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "fr",
        "3": "sélénium"
      },
      "expansion": "French sélénium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "σελήνη",
        "t": "moon"
      },
      "expansion": "Ancient Greek σελήνη (selḗnē, “moon”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English selenium, French sélénium, from Ancient Greek σελήνη (selḗnē, “moon”).",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "seleniwm 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": "Chemical elements",
          "orig": "cy:Chemical elements",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "selenium"
      ],
      "id": "en-seleniwm-cy-noun-5oSj6U79",
      "links": [
        [
          "selenium",
          "selenium"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:seleniwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛˈlɛnjʊm/"
    },
    {
      "rhymes": "-ɛnjʊm"
    }
  ],
  "word": "seleniwm"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "selenium"
      },
      "expansion": "English selenium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "fr",
        "3": "sélénium"
      },
      "expansion": "French sélénium",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "σελήνη",
        "t": "moon"
      },
      "expansion": "Ancient Greek σελήνη (selḗnē, “moon”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English selenium, French sélénium, from Ancient Greek σελήνη (selḗnē, “moon”).",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "seleniwm 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/ɛnjʊm",
        "Rhymes:Welsh/ɛnjʊm/3 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 borrowed from French",
        "Welsh terms derived from Ancient Greek",
        "Welsh terms derived from English",
        "Welsh terms derived from French",
        "Welsh uncountable nouns",
        "cy:Chemical elements"
      ],
      "glosses": [
        "selenium"
      ],
      "links": [
        [
          "selenium",
          "selenium"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:seleniwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛˈlɛnjʊm/"
    },
    {
      "rhymes": "-ɛnjʊm"
    }
  ],
  "word": "seleniwm"
}