The Du`ā Saḥar
The Supplication of Glory-Beauty (al-bahā'), Ramaḍān Dawn Prayer attributed to Imam Muhammad al-Bāqir (d. c. XXX.732) in Shi`i Sources.
In progress and revision
Among the most important occurrences of the word bahá' in Shí`í Islámic literatures is in an Arabic invocatory prayer attributed to Imám Muhammad al-Báqir (677-732 CE) the fifth of the Twelver Shí`í Imáms. The eighth Shí`í Imám, Riḍá' (d. 818 CE.), who transmitted this prayer, reckoned that it contained the "Greatest Name" of God (al-ism al-a`zam). It is a prayer to be recited at dawn during Ramadan (Du`á Saḥar), the Muslim month of fasting. The word bahá or a derivative of the same root is contained some five times within it's opening words;
The opening lines of the Dawn Prayer of Muhammad al-Baqir.
O my God! I beseech Thee by Thy Bahā' (Splendor)
at its most splendid (abhā') for all Thy Splendor (bahā') is truly resplendent (bahiyy). I, verily, O my God! beseech Thee by the fullness of Thy Splendor (bahā').
[or alternative Lambden trans]
"O my God! I beseech Thee by thy Bahá' in its supreme splendour (abhá') for all Thy bahá' is truly splendid (bahíyy). I, verily, O my God, beseech Thee by the fullness of Thy bahá!".
For the full translation (Beta version) refer below :