"leaf-silver" meaning in English

{
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      "expansion": "leaf-silver (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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      ],
      "derived": [
        {
          "word": "leaf-silvering"
        }
      ],
      "glosses": [
        "silver leaf"
      ],
      "id": "en-leaf-silver-en-noun-4mENA3AT",
      "links": [
        [
          "silver leaf",
          "silver leaf"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "leaf-silver"
}

{
  "derived": [
    {
      "word": "leaf-silvering"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "leaf-silver (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "silver leaf"
      ],
      "links": [
        [
          "silver leaf",
          "silver leaf"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "leaf-silver"
}