It is derived from the Latin Vulgate, specifically Mark 8:33, where Jesus rebukes Saint Peter with the words “vade retro me Satana” ("get behind me, Satan").
Crux sacra sit mihi lux / Non draco sit mihi dux Vade retro satana / Nunquam suade mihi vana Sunt mala quae libas / Ipse venena bibas It is derived from the Latin Vulgate, specifically
The shorter phrase “vade retro” (simply "go back") appears as far back as the Roman playwright Terence in his work Phormio . The Exorcism Formula specifically Mark 8:33