Save Gender Masculine Usage Japanese Scripts 大六, 大禄, 第六, 大禄, etc.(Japanese Kanji) Pronounced Pron. DAH-EE-ṘO:-KUU [key] Meaning & History From Japanese 大 (dai) meaning "big, great" combined with 六 (roku) meaning "six". Other kanji combinations are possible.A famous bearer was Dairoku Harada, a Japanese archaeologist who studied in the Fukuoka area.