"石に灸" meaning in Japanese

{
  "etymology_text": "Literally \"[performing] moxibustion on a stone\".",
  "forms": [
    {
      "form": "石に灸",
      "ruby": [
        [
          "石",
          "いし"
        ],
        [
          "灸",
          "きゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ishi ni kyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "いし に きゅう"
      },
      "expansion": "石(いし)に灸(きゅう) • (ishi ni kyū)",
      "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"
        }
      ],
      "glosses": [
        "having no effect"
      ],
      "id": "en-石に灸-ja-phrase-x~jzhK3x",
      "links": [
        [
          "effect",
          "effect"
        ]
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "石に灸"
}

{
  "etymology_text": "Literally \"[performing] moxibustion on a stone\".",
  "forms": [
    {
      "form": "石に灸",
      "ruby": [
        [
          "石",
          "いし"
        ],
        [
          "灸",
          "きゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ishi ni kyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "いし に きゅう"
      },
      "expansion": "石(いし)に灸(きゅう) • (ishi ni kyū)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese idioms",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with jinmeiyō kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters"
      ],
      "glosses": [
        "having no effect"
      ],
      "links": [
        [
          "effect",
          "effect"
        ]
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "石に灸"
}

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