Here's why:
* It's a portmanteau: "Disturbia" combines the words "disturb" and "urbia," which refers to a suburban environment. This creates a sense of unease and disorientation, hinting at a feeling of being disturbed in a seemingly ordinary place.
* It was created for a specific purpose: The name was coined for the 2007 thriller film "Disturbia" starring Shia LaBeouf. The film's plot revolves around a teenager confined to house arrest who becomes suspicious of his neighbors and believes one of them is a serial killer.
* It's effective in generating a specific mood: The name conjures up a sense of paranoia, mystery, and the unsettling feeling of being watched, perfectly aligning with the film's themes.
Therefore, "Disturbia" doesn't have a traditional etymology stemming from historical language or cultural roots. It's a crafted word designed to evoke a particular atmosphere and resonate with the film's narrative.