戸籍謄本 こせきとうほん official copy of the family register #21,454 Meanings noun official copy of the family register Its kanji 戸 コ · と door, counter for houses, door radical (no. 63) 籍 セキ enroll, domiciliary register, membership 謄 トウ mimeograph, copy 本 ホン · もと book, present, main, origin, true, real, counter for long cylindrical things