"lanthanwm" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*leh₂-",
        "id": "concealed"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "lanthanum"
      },
      "expansion": "English lanthanum",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "λανθάνω",
        "4": "",
        "5": "to escape notice"
      },
      "expansion": "Ancient Greek λανθάνω (lanthánō, “to escape notice”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English lanthanum, from Ancient Greek λανθάνω (lanthánō, “to escape notice”)",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "lanthanwm 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": [
        "lanthanum"
      ],
      "id": "en-lanthanwm-cy-noun-ZljyXZpI",
      "links": [
        [
          "lanthanum",
          "lanthanum"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:lanthanwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lanˈθanʊm/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/lanˈθa(ː)nʊm/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "rhymes": "-anʊm"
    }
  ],
  "word": "lanthanwm"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*leh₂-",
        "id": "concealed"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "lanthanum"
      },
      "expansion": "English lanthanum",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "grc",
        "3": "λανθάνω",
        "4": "",
        "5": "to escape notice"
      },
      "expansion": "Ancient Greek λανθάνω (lanthánō, “to escape notice”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from English lanthanum, from Ancient Greek λανθάνω (lanthánō, “to escape notice”)",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "lanthanwm 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/anʊm",
        "Rhymes:Welsh/anʊm/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 derived from Ancient Greek",
        "Welsh terms derived from English",
        "Welsh terms derived from Proto-Indo-European",
        "Welsh terms derived from the Proto-Indo-European root *leh₂- (concealed)",
        "Welsh uncountable nouns",
        "cy:Chemical elements"
      ],
      "glosses": [
        "lanthanum"
      ],
      "links": [
        [
          "lanthanum",
          "lanthanum"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable",
        "uncountable"
      ],
      "wikipedia": [
        "cy:lanthanwm"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lanˈθanʊm/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/lanˈθa(ː)nʊm/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "rhymes": "-anʊm"
    }
  ],
  "word": "lanthanwm"
}