"旧姓" meaning in Japanese

{
  "antonyms": [
    {
      "roman": "shinsei",
      "ruby": [
        [
          "新姓",
          "しんせい"
        ]
      ],
      "word": "新姓"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "旧",
        "3": "姓",
        "sort": "きゅうせい",
        "t1": "paleo-",
        "t2": "family name",
        "tr1": "kyū-",
        "tr2": "sei"
      },
      "expansion": "旧 (kyū-, “paleo-”) + 姓 (sei, “family name”)",
      "name": "pre"
    }
  ],
  "etymology_text": "From 旧 (kyū-, “paleo-”) + 姓 (sei, “family name”).",
  "forms": [
    {
      "form": "旧姓 ^",
      "ruby": [
        [
          "旧",
          "きゅう"
        ],
        [
          "姓",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kyūsei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kiusei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "きうせい",
      "roman": "kiusei",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "舊姓",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きゅうせい",
        "hhira": "きうせい"
      },
      "expansion": "旧(きゅう)姓(せい) • (kyūsei) ^(←きうせい (kiusei)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "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 prefixed with 旧",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Heiban pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Onomastics",
          "orig": "ja:Onomastics",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a \"former family name\" (a maiden name, or any family name that has been changed due to marriage or adoption)"
      ],
      "id": "en-旧姓-ja-noun-R2qXBsgt",
      "links": [
        [
          "former",
          "former"
        ],
        [
          "family name",
          "family name"
        ],
        [
          "maiden name",
          "maiden name#English"
        ],
        [
          "change",
          "change#English"
        ],
        [
          "marriage",
          "marriage#English"
        ],
        [
          "adoption",
          "adoption#English"
        ]
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "other": "きゅうせー"
    },
    {
      "ipa": "[kʲɨːse̞ː]"
    }
  ],
  "word": "旧姓"
}

{
  "antonyms": [
    {
      "roman": "shinsei",
      "ruby": [
        [
          "新姓",
          "しんせい"
        ]
      ],
      "word": "新姓"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "旧",
        "3": "姓",
        "sort": "きゅうせい",
        "t1": "paleo-",
        "t2": "family name",
        "tr1": "kyū-",
        "tr2": "sei"
      },
      "expansion": "旧 (kyū-, “paleo-”) + 姓 (sei, “family name”)",
      "name": "pre"
    }
  ],
  "etymology_text": "From 旧 (kyū-, “paleo-”) + 姓 (sei, “family name”).",
  "forms": [
    {
      "form": "旧姓 ^",
      "ruby": [
        [
          "旧",
          "きゅう"
        ],
        [
          "姓",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kyūsei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kiusei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "きうせい",
      "roman": "kiusei",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "舊姓",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きゅうせい",
        "hhira": "きうせい"
      },
      "expansion": "旧(きゅう)姓(せい) • (kyūsei) ^(←きうせい (kiusei)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms prefixed with 旧",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with 姓 read as せい",
        "Japanese terms spelled with 旧 read as きゅう",
        "Japanese terms with 2 kanji",
        "Japanese terms with Heiban pitch accent (Tōkyō)",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries",
        "ja:Onomastics"
      ],
      "glosses": [
        "a \"former family name\" (a maiden name, or any family name that has been changed due to marriage or adoption)"
      ],
      "links": [
        [
          "former",
          "former"
        ],
        [
          "family name",
          "family name"
        ],
        [
          "maiden name",
          "maiden name#English"
        ],
        [
          "change",
          "change#English"
        ],
        [
          "marriage",
          "marriage#English"
        ],
        [
          "adoption",
          "adoption#English"
        ]
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "other": "きゅうせー"
    },
    {
      "ipa": "[kʲɨːse̞ː]"
    }
  ],
  "word": "旧姓"
}