"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": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "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 non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "why ... ?, how ... ?"
      ],
      "id": "en-なぜ-ja-adv-LjYo0unO",
      "links": [
        [
          "poetic",
          "poetic"
        ],
        [
          "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"
        },
        {
          "roman": "naze ni",
          "tags": [
            "literary"
          ],
          "word": "なぜに"
        }
      ],
      "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 entries with language name categories using raw markup",
        "Japanese formal terms",
        "Japanese hiragana",
        "Japanese interrogative adverbs",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese literary terms",
        "Japanese poetic terms",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys"
      ],
      "glosses": [
        "why ... ?, how ... ?"
      ],
      "links": [
        [
          "poetic",
          "poetic"
        ],
        [
          "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"
    },
    {
      "roman": "naze ni",
      "tags": [
        "literary"
      ],
      "word": "なぜに"
    }
  ],
  "word": "なぜ"
}