Directives From the Guardian
Page 33
 

86: GREATEST NAME (Translation of Symbol of)
 
1

"He also wishes me to inform you that the symbol of the Greatest Name represents an invocation which can be translated either as `O Glory of Glories' or `O Glory of the All-Glorious'. The word Glory used in this connection is a translation of the Arabic term `Bahá, the name of Bahá'u'lláh."