前世紀 ぜんせいき Meanings Noun last century; previous century ancient times; old times Kanji 前 front. Read as ゼン. 世 generation. Read as セイ. 紀 epoch. Read as キ. Words containing 前世紀 前世紀の遺物 (ぜんせいきのいぶつ) relic from an earlier age Jinuma: Japanese Dictionary · Word lists