"헛걸음" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "헛",
        "3": "걸음",
        "t1": "false; in vain",
        "t2": "step"
      },
      "expansion": "헛 (heot-, “false; in vain”) + 걸음 (georeum, “step”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "헛 (heot-, “false; in vain”) + 걸음 (georeum, “step”)",
  "forms": [
    {
      "form": "heotgeoreum",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "헛걸음 • (heotgeoreum)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms prefixed with 헛-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "We went to buy meat but the butcher's was closed, so it was a pointless trip.",
          "roman": "gogi-reul sareo ganneunde jeong'yukjeom-i mun-eul dadaseo heotgeoreum-ieosseo.",
          "text": "고기를 사러 갔는데 정육점이 문을 닫아서 헛걸음이었어.",
          "type": "example"
        }
      ],
      "glosses": [
        "fruitless undertaking"
      ],
      "id": "en-헛걸음-ko-noun-ZQDaN1vs",
      "links": [
        [
          "fruitless",
          "fruitless"
        ],
        [
          "undertaking",
          "undertaking"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) fruitless undertaking"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[hʌ̹t̚k͈ʌ̹ɾɯm]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[헏꺼름]"
    }
  ],
  "word": "헛걸음"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "헛",
        "3": "걸음",
        "t1": "false; in vain",
        "t2": "step"
      },
      "expansion": "헛 (heot-, “false; in vain”) + 걸음 (georeum, “step”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "헛 (heot-, “false; in vain”) + 걸음 (georeum, “step”)",
  "forms": [
    {
      "form": "heotgeoreum",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "헛걸음 • (heotgeoreum)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean idioms",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms prefixed with 헛-",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Korean terms with usage examples"
      ],
      "examples": [
        {
          "english": "We went to buy meat but the butcher's was closed, so it was a pointless trip.",
          "roman": "gogi-reul sareo ganneunde jeong'yukjeom-i mun-eul dadaseo heotgeoreum-ieosseo.",
          "text": "고기를 사러 갔는데 정육점이 문을 닫아서 헛걸음이었어.",
          "type": "example"
        }
      ],
      "glosses": [
        "fruitless undertaking"
      ],
      "links": [
        [
          "fruitless",
          "fruitless"
        ],
        [
          "undertaking",
          "undertaking"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) fruitless undertaking"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[hʌ̹t̚k͈ʌ̹ɾɯm]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[헏꺼름]"
    }
  ],
  "word": "헛걸음"
}