AQDAS, more fully al-Ketāb al-aqdas (Pers. Ketāb-e aqdas), “The Most Holy Book,” written in Arabic by Bahāʾallāh, the founder of…

ʿABD-AL-BAHĀʾ, epithet assumed by ʿAbbās Effendi, the eldest son of Bahāʾallāh, founder of the Bahaʾi movement. The epithet means “servant…