"불사신" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "ko",
        "2": "不死身"
      },
      "expansion": "不死身",
      "name": "m"
    },
    {
      "args": {
        "1": "ko",
        "2": "不死",
        "gloss": "undying"
      },
      "expansion": "不死 (“undying”)",
      "name": "m"
    },
    {
      "args": {
        "1": "ko",
        "2": "身",
        "gloss": "body"
      },
      "expansion": "身 (“body”)",
      "name": "m"
    },
    {
      "args": {
        "1": "不死",
        "2": "undying",
        "3": "身",
        "4": "body"
      },
      "expansion": "Sino-Korean word from 不死身, from 不死 (“undying”) + 身 (“body”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 不死身, from 不死 (“undying”) + 身 (“body”).",
  "forms": [
    {
      "form": "bulsasin",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "不死身",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "不死身"
      },
      "expansion": "불사신 • (bulsasin) (hanja 不死身)",
      "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 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"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Death",
          "orig": "ko:Death",
          "parents": [
            "Body",
            "Life",
            "Human",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "People",
          "orig": "ko:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an immortal"
      ],
      "id": "en-불사신-ko-noun-XR80Smat",
      "links": [
        [
          "immortal",
          "immortal"
        ]
      ],
      "related": [
        {
          "alt": "不死",
          "english": "immortality",
          "roman": "bulsa",
          "word": "불사"
        },
        {
          "alt": "不死鳥",
          "english": "phoenix",
          "roman": "bulsajo",
          "word": "불사조"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[puɭsʰa̠ɕʰin]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[불사신]"
    }
  ],
  "word": "불사신"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "ko",
        "2": "不死身"
      },
      "expansion": "不死身",
      "name": "m"
    },
    {
      "args": {
        "1": "ko",
        "2": "不死",
        "gloss": "undying"
      },
      "expansion": "不死 (“undying”)",
      "name": "m"
    },
    {
      "args": {
        "1": "ko",
        "2": "身",
        "gloss": "body"
      },
      "expansion": "身 (“body”)",
      "name": "m"
    },
    {
      "args": {
        "1": "不死",
        "2": "undying",
        "3": "身",
        "4": "body"
      },
      "expansion": "Sino-Korean word from 不死身, from 不死 (“undying”) + 身 (“body”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 不死身, from 不死 (“undying”) + 身 (“body”).",
  "forms": [
    {
      "form": "bulsasin",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "不死身",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "不死身"
      },
      "expansion": "불사신 • (bulsasin) (hanja 不死身)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "alt": "不死",
      "english": "immortality",
      "roman": "bulsa",
      "word": "불사"
    },
    {
      "alt": "不死鳥",
      "english": "phoenix",
      "roman": "bulsajo",
      "word": "불사조"
    }
  ],
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Sino-Korean words",
        "ko:Death",
        "ko:People"
      ],
      "glosses": [
        "an immortal"
      ],
      "links": [
        [
          "immortal",
          "immortal"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[puɭsʰa̠ɕʰin]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[불사신]"
    }
  ],
  "word": "불사신"
}