改かい姓せい

noun, noun or participle which takes 'suru', intransitive verb

change of family name; family name change

Refers to the act or process of changing one's surname, often due to marriage, adoption, or legal procedure.

• 結けっ婚こんを機きに改かい姓せいする人ひとが多おおい。

  Many people change their family name when they get married.

• 改かい姓せいの手て続つづきは役やく所しょで行おこないます。

  The procedure for a family name change is done at the municipal office.

noun

changed family name; new surname

Refers to the resulting new family name after a change. Often used in contexts like registering a new name or updating documents.

• 新あたらしいパスポートには改かい姓せいが記き載さいされている。

  The new passport shows the changed family name.