Kabbalah Music - Kadus Kadus WOW WOW WOW! amazing. Kadus means HOLY in hebrew/aramaic AND in the ETHIOPIAN LANGUAGE TOO! Kadus, Kadus -- Holy, holy Sung by the kesim, Ethiopian religious leaders, at the masjid (synagogue in Ethiopia) at the Yom Kippur (Day of Atonement) prayer. Words are in gez, the ancient Ethiopian language used for prayer