"根も葉もない" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "根",
        "3": "も",
        "4": "葉",
        "5": "も",
        "6": "ない"
      },
      "expansion": "根 + も + 葉 + も + ない",
      "name": "com"
    }
  ],
  "etymology_text": "Compound of 根 + も + 葉 + も + ない, literally \"having neither roots nor leaves\"",
  "forms": [
    {
      "form": "根も葉もない",
      "ruby": [
        [
          "根",
          "ね"
        ],
        [
          "葉",
          "は"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ne mo ha mo nai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "ね も は. も ない"
      },
      "expansion": "根(ね)も葉(は)もない • (ne mo ha mo nai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "spreading baseless rumors",
          "roman": "ne mo ha mo nai uwasa o nagasu",
          "ruby": [
            [
              "根",
              "ね"
            ],
            [
              "葉",
              "は"
            ],
            [
              "噂",
              "うわさ"
            ],
            [
              "流",
              "なが"
            ]
          ],
          "text": "根も葉もない噂を流す"
        }
      ],
      "glosses": [
        "baseless, unsubstantiated, having no evidence"
      ],
      "id": "en-根も葉もない-ja-phrase-gr0d6fHD",
      "links": [
        [
          "baseless",
          "baseless"
        ],
        [
          "unsubstantiated",
          "unsubstantiated"
        ]
      ],
      "related": [
        {
          "roman": "nehorihahori",
          "ruby": [
            [
              "根掘",
              "ねほ"
            ],
            [
              "葉掘",
              "はほ"
            ]
          ],
          "word": "根掘り葉掘り"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ねもはもない"
    },
    {
      "ipa": "[ne̞mo̞ha̠mo̞na̠i]"
    }
  ],
  "word": "根も葉もない"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "根",
        "3": "も",
        "4": "葉",
        "5": "も",
        "6": "ない"
      },
      "expansion": "根 + も + 葉 + も + ない",
      "name": "com"
    }
  ],
  "etymology_text": "Compound of 根 + も + 葉 + も + ない, literally \"having neither roots nor leaves\"",
  "forms": [
    {
      "form": "根も葉もない",
      "ruby": [
        [
          "根",
          "ね"
        ],
        [
          "葉",
          "は"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ne mo ha mo nai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "ね も は. も ない"
      },
      "expansion": "根(ね)も葉(は)もない • (ne mo ha mo nai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "related": [
    {
      "roman": "nehorihahori",
      "ruby": [
        [
          "根掘",
          "ねほ"
        ],
        [
          "葉掘",
          "はほ"
        ]
      ],
      "word": "根掘り葉掘り"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese idioms",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Japanese terms written with two Han script characters"
      ],
      "examples": [
        {
          "english": "spreading baseless rumors",
          "roman": "ne mo ha mo nai uwasa o nagasu",
          "ruby": [
            [
              "根",
              "ね"
            ],
            [
              "葉",
              "は"
            ],
            [
              "噂",
              "うわさ"
            ],
            [
              "流",
              "なが"
            ]
          ],
          "text": "根も葉もない噂を流す"
        }
      ],
      "glosses": [
        "baseless, unsubstantiated, having no evidence"
      ],
      "links": [
        [
          "baseless",
          "baseless"
        ],
        [
          "unsubstantiated",
          "unsubstantiated"
        ]
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ねもはもない"
    },
    {
      "ipa": "[ne̞mo̞ha̠mo̞na̠i]"
    }
  ],
  "word": "根も葉もない"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "根も葉もない"
  ],
  "section": "Japanese",
  "subsection": "idiom",
  "title": "根も葉もない",
  "trace": ""
}