改製原戸籍 かいせいげんこせき Meanings Noun original source of re-established family register; old family register See also: 現在戸籍 (げんざいこせき). See also: 戸籍 (こせき). Kanji 改 reform. Read as カイ. 製 made. Read as セイ. 原 original. Read as ゲン. 戸 door 籍 register. Read as セキ. Jinuma: Japanese Dictionary · Word lists