C15: from French divertir, from Latin dīvertere to turn aside, from di-² + vertere to turn
Word Origin and History for divert
v.
early 15c., from Middle French divertir (14c.), from Latin divertere "to turn in different directions," blended with devertere "turn aside," from dis- "aside" and de- "from" + vertere "to turn" (see versus). Related: Diverted; diverting.