"何歳" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "何",
        "3": "歳",
        "sort": "なんさい",
        "t1": "what",
        "t2": "age",
        "tr1": "なん, nan",
        "tr2": "さい, sai"
      },
      "expansion": "何 (なん, nan, “what”) + 歳 (さい, sai, “age”)",
      "name": "compound"
    }
  ],
  "etymology_text": "何 (なん, nan, “what”) + 歳 (さい, sai, “age”)",
  "forms": [
    {
      "form": "何歳",
      "ruby": [
        [
          "何",
          "なん"
        ],
        [
          "歳",
          "さい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nansai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pronoun",
        "2": "なんさい"
      },
      "expansion": "何(なん)歳(さい) • (nansai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "pron",
  "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 interrogative pronouns",
          "parents": [
            "Interrogative pronouns",
            "Interrogative pro-forms",
            "Pronouns",
            "Pro-forms",
            "Lemmas",
            "Terms by semantic function"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese pronouns",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "How old are you? (Literally, \"what age are you?\")",
          "roman": "Nansai desu ka?",
          "ruby": [
            [
              "何",
              "なん"
            ],
            [
              "歳",
              "さい"
            ]
          ],
          "text": "何歳ですか？"
        }
      ],
      "glosses": [
        "what age, how old"
      ],
      "id": "en-何歳-ja-pron-NuurcjNk",
      "synonyms": [
        {
          "tags": [
            "polite"
          ],
          "word": "お幾つ"
        },
        {
          "tags": [
            "informal"
          ],
          "word": "何才"
        }
      ]
    }
  ],
  "word": "何歳"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "何",
        "3": "歳",
        "sort": "なんさい",
        "t1": "what",
        "t2": "age",
        "tr1": "なん, nan",
        "tr2": "さい, sai"
      },
      "expansion": "何 (なん, nan, “what”) + 歳 (さい, sai, “age”)",
      "name": "compound"
    }
  ],
  "etymology_text": "何 (なん, nan, “what”) + 歳 (さい, sai, “age”)",
  "forms": [
    {
      "form": "何歳",
      "ruby": [
        [
          "何",
          "なん"
        ],
        [
          "歳",
          "さい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nansai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pronoun",
        "2": "なんさい"
      },
      "expansion": "何(なん)歳(さい) • (nansai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese entries with language name categories using raw markup",
        "Japanese interrogative pronouns",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese pronouns",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Japanese terms written with two Han script characters"
      ],
      "examples": [
        {
          "english": "How old are you? (Literally, \"what age are you?\")",
          "roman": "Nansai desu ka?",
          "ruby": [
            [
              "何",
              "なん"
            ],
            [
              "歳",
              "さい"
            ]
          ],
          "text": "何歳ですか？"
        }
      ],
      "glosses": [
        "what age, how old"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "polite"
      ],
      "word": "お幾つ"
    },
    {
      "tags": [
        "informal"
      ],
      "word": "何才"
    }
  ],
  "word": "何歳"
}

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