"なぜ" meaning in Japanese

{
  "etymology_text": "/nani semu ni/ → */nanzenni/ → /nazenni/ → /nazeni/ → /naze/\nDerived from Old Japanese 何せむに.",
  "forms": [
    {
      "form": "naze",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "adverb"
      },
      "expansion": "なぜ • (naze)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "why ... ?, how ... ?"
      ],
      "id": "en-なぜ-ja-adv-LjYo0unO",
      "links": [
        [
          "why",
          "why"
        ],
        [
          "how",
          "how"
        ]
      ],
      "raw_glosses": [
        "(formal, literary, poetic) why ... ?, how ... ?"
      ],
      "synonyms": [
        {
          "roman": "dōshite",
          "word": "どうして"
        },
        {
          "roman": "nande",
          "word": "なんで"
        }
      ],
      "tags": [
        "formal",
        "literary",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "なぜ"
    },
    {
      "ipa": "[na̠ze̞]"
    }
  ],
  "word": "なぜ"
}

{
  "etymology_text": "/nani semu ni/ → */nanzenni/ → /nazenni/ → /nazeni/ → /naze/\nDerived from Old Japanese 何せむに.",
  "forms": [
    {
      "form": "naze",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "adverb"
      },
      "expansion": "なぜ • (naze)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Japanese adverbs",
        "Japanese entries with incorrect language header",
        "Japanese formal terms",
        "Japanese hiragana",
        "Japanese interrogative adverbs",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese literary terms",
        "Japanese poetic terms",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "why ... ?, how ... ?"
      ],
      "links": [
        [
          "why",
          "why"
        ],
        [
          "how",
          "how"
        ]
      ],
      "raw_glosses": [
        "(formal, literary, poetic) why ... ?, how ... ?"
      ],
      "tags": [
        "formal",
        "literary",
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "なぜ"
    },
    {
      "ipa": "[na̠ze̞]"
    }
  ],
  "synonyms": [
    {
      "roman": "dōshite",
      "word": "どうして"
    },
    {
      "roman": "nande",
      "word": "なんで"
    }
  ],
  "word": "なぜ"
}

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