Kumi logo
Kumi

Learn Japanese. Where understanding folds into fluency.

Dictionary

KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

Learn

GuidesData reportsStart where you areWhat is KMT?RoadmapFAQ

Connect

EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

Newsletter

Start learning free →

Free forever tier. No card required.

© 2026 Kumiai Inc. All rights reserved.

AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. 改姓

    改姓

    改かい姓せい

    change of one's family name

    NTFamily & RelationshipsKanji Vocab15 strokes

    かいせい

    Noun, Participle, Verb, Intransitive

    1.
    change of one's family name

    Noun

    2.
    changed family name

    Stroke 0 / 15

    Speed1.0x

    Kanji that make up this word

    改
    あらた.める・あらた.まる…(1)
    reformation・change・modify・mend・renew…(3)
    姓
    surname
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 改
    • 姓

    Explore more

    Kanji Vocab dictionary›Browse all entries›