An example of a Neologism and an alternative spelling of the word backronym, a term was probably invented by Alan Chapman a business consultant based in Leicester England. Both spellings are used on his website (Businessballs), but bacronym might just be linguistically purer than backronym (being closer in appearance to acronym).
Modern Persian form of Avestan Verethragna meaning "victory over resistance". This was the name of a Zoroastrian god (one of the Amesha Spenta) associated with victory and war. This name was borne by several Sassanid emperors. It is also the Persian name for the planet Mars.
Taken from Wikipedia:
The earliest reference to Bahram I (or Bahrom I) occurs in the coronation monument of Bahram's grandfather Ardeshir I at Naqsh-e Rajab.