The term 'SACRED' can be broken down into four prefixes: hiero (5 letters), hagi (4 letters), hier (4 letters), and hagio (5 letters). Hiero is derived from the Greek word 'hieros, ' meaning 'SACRED.' Hagi is derived from the Greek word 'hagios, ' meaning 'HOLY.' Hier is derived from the Greek word 'hieros, ' meaning 'PRIEST.' Hagio is derived from the Greek word 'hagios, ' meaning 'CONSECRATED.' All of these prefixes refer to something that is considered SACRED or HOLY.